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Ask a Travel Nerd: Can I Travel Without a COVID Vaccine?

Elina Geller

Many or all of the products featured here are from our partners who compensate us. This influences which products we write about and where and how the product appears on a page. However, this does not influence our evaluations. Our opinions are our own. Here is a list of our partners and here's how we make money .

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Domestic travel for unvaccinated travelers

International travel for unvaccinated travelers, final thoughts on traveling without a covid vaccine.

Between constantly changing entry requirements, mandated quarantines, testing rules and vaccine provisions, traveling during the COVID-19 pandemic isn’t easy. If you’re not vaccinated, it's even harder. Some countries flat-out don’t admit unvaccinated travelers, while others require a mandatory quarantine and extra tests.

If you plan on traveling and aren't vaccinated, here’s what you need to know.

As recently as Jan. 12, the Centers for Disease Control and Prevention continues to recommend delaying travel until you’re fully vaccinated.

Requirements are up to each city and state. For example, while Illinois doesn’t have statewide restrictions, its recommendations differ based on the daily COVID-19 case rates of the state the traveler is arriving from. Unvaccinated travelers arriving from states with higher case rates are encouraged to secure a negative COVID-19 test taken within 72 hours of travel to Illinois. At the city level, unvaccinated travelers going to Chicago are asked to get tested for COVID-19 before and after arrival and to quarantine upon arrival.

Meanwhile, all travelers 16 and older who enter California via Los Angeles International Airport, Van Nuys Airport or Los Angeles Union Station are required to fill out a City of Los Angeles Traveler Form, agreeing to follow CDC travel guidance — or face up to a $500 fine.

Other states may be more flexible and have no recommendations or requirements related to vaccination, quarantine, forms or testing for visitors.

Tips for traveling domestically without a vaccine

If the required time frame for getting a COVID-19 test ahead of travel is less than 24 hours, check if an urgent care center near you offers a rapid results option. In addition, check if a PCR and/or antigen test will be accepted. Generally, results from an antigen test can be provided faster. If you have insurance, the test may be covered.

Before heading to your intended destination, check the city and state requirements and recommendations, because they may differ (like Chicago and Illinois). Find out if your destination has any special requirements based on the state you’re arriving from.

Some businesses require proof of vaccination for entry. Be prepared to be turned away from restaurants, bars, stores and other establishments if this is the case.

Check if there are any ongoing testing requirements. For example, unvaccinated travelers staying in Puerto Rico longer than a week must submit weekly COVID-19 test results.

» Learn more: The majority of Americans plan to travel this year, according to recent NerdWallet study

Traveling internationally may present a greater number of obstacles, especially due to different systems and a potential language barrier. Some countries don't allow unvaccinated travelers to enter, period . For example, travel to the majority of European countries is possible only to those who are vaccinated. If you’re not vaccinated, make sure the country you want to visit will allow you entry.

In addition, before returning to the U.S., you’re required to provide proof of a negative COVID-19 test taken within one day of the flight's departure. While abroad, you’ll need to go to a COVID-19 testing center. Unlike getting tested in the U.S., COVID-19 tests abroad aren't covered by insurance, so you'll need to budget for the out-of-pocket cost .

Furthermore, you should book your accommodations wisely. Does the hotel you want to stay at allow unvaccinated guests? Will you be able to dine at the hotel restaurant? Can you use the spa or gym facilities? These are important questions you’ll need to consider before booking an international hotel stay.

Scrutinize your access to activities and other places you’d like to visit during your trip, too, like restaurants and museums. On my recent trip to Germany, I had to show my proof of vaccination and identification in every bar, restaurant, shop and hotel I entered.

If you’re unvaccinated, you may be refused entry to all these places, which can ruin your trip.

Tips for traveling internationally without a vaccine

Get travel insurance with Cancel For Any Reason coverage since entry requirements are changing constantly. What happens if you book a nonrefundable flight and hotel, and a week before your departure, your destination stops allowing in unvaccinated travelers? If you have travel insurance with CFAR, you’ll be able to cancel your trip and get your nonrefundable deposits back so long as changes aren’t made at the last minute. For example, with CFAR coverage from Berkshire Hathaway Travel Protection, "you may only be eligible if you purchase CFAR at the time of your base policy purchase, insure your full trip cost, and cancel more than 48 hours prior to departure," according to the company's website.

Confirm entry eligibility for your must-have experiences, like restaurants, museums, shopping malls or bars and clubs. Double-check that your hotel will allow you entry as well.

Research COVID-19 testing sites in the area before departure. Will you need to travel far to get your test? Consider travel time when making a test appointment.

Check if there's an app that your destination country uses that will accept your pre-departure negative COVID-19 test result. This step could make it easier to visit any bars, hotels, shops, restaurants and museums you’d like to check out.

Traveling domestically and internationally may pose a new set of challenges for those who are unvaccinated. Be sure to keep up to date with the latest requirements to make sure that your trip goes smoothly. International travel may result in many more difficulties, so if you’re not prepared to deal with all the uncertainties of being abroad, consider travel to a location within the U.S.

How to maximize your rewards

You want a travel credit card that prioritizes what’s important to you. Here are our picks for the best travel credit cards of 2023 , including those best for:

Flexibility, point transfers and a large bonus: Chase Sapphire Preferred® Card

No annual fee:   Bank of America® Travel Rewards credit card

Flat-rate travel rewards:  Capital One Venture Rewards Credit Card  

Bonus travel rewards and high-end perks: Chase Sapphire Reserve®

Luxury perks: The Platinum Card® from American Express

Business travelers: Ink Business Preferred® Credit Card

Chase Sapphire Preferred Credit Card

on Chase's website

1x-5x 5x on travel purchased through Chase Travel℠, 3x on dining, select streaming services and online groceries, 2x on all other travel purchases, 1x on all other purchases.

60,000 Earn 60,000 bonus points after you spend $4,000 on purchases in the first 3 months from account opening. That's $750 when you redeem through Chase Travel℠.

Chase Freedom Unlimited Credit Card

1.5%-6.5% Enjoy 6.5% cash back on travel purchased through Chase Travel; 4.5% cash back on drugstore purchases and dining at restaurants, including takeout and eligible delivery service, and 3% on all other purchases (on up to $20,000 spent in the first year). After your first year or $20,000 spent, enjoy 5% cash back on travel purchased through Chase Travel, 3% cash back on drugstore purchases and dining at restaurants, including takeout and eligible delivery service, and unlimited 1.5% cash back on all other purchases.

$300 Earn an additional 1.5% cash back on everything you buy (on up to $20,000 spent in the first year) - worth up to $300 cash back!

Capital One Venture Rewards Credit Card

on Capital One's website

2x-5x Earn unlimited 2X miles on every purchase, every day. Earn 5X miles on hotels and rental cars booked through Capital One Travel, where you'll get Capital One's best prices on thousands of trip options.

75,000 Enjoy a one-time bonus of 75,000 miles once you spend $4,000 on purchases within 3 months from account opening, equal to $750 in travel.

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The Administration will end the COVID-19 vaccine requirements for international air travelers at the end of the day on May 11, the same day that the COVID-19 public health emergency ends. This means starting May 12, noncitizen nonimmigrant air passengers will no longer need to show proof of being fully vaccinated with an accepted COVID-19 vaccine to board a flight to the United States. CDC’s Amended Order Implementing Presidential Proclamation on Safe Resumption of Global Travel During the COVID-19 Pandemic will no longer be in effect when the Presidential Proclamation Advancing the Safe Resumption of Global Travel During the COVID-19 Pandemic is revoked .

Please see: https://www.whitehouse.gov/briefing-room/statements-releases/2023/05/01/the-biden-administration-will-end-covid-19-vaccination-requirements-for-federal-employees-contractors-international-travelers-head-start-educators-and-cms-certified-facilities/

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Fact Sheet: Biden Administration Releases Additional Detail for Implementing a Safer, More Stringent International Air Travel   System

As we continue to work to protect people from COVID-19, today, the Biden Administration is releasing additional detail around implementation of the new international air travel policy requiring foreign national travelers to the United States to be fully vaccinated. This updated policy puts in place an international travel system that is stringent, consistent across the globe, and guided by public health. Starting on November 8, non-citizen, non-immigrant air travelers to the United States will be required to be fully vaccinated and to provide proof of COVID-19 vaccination status prior to boarding an airplane to fly to the U.S., with only limited exceptions. The updated travel guidelines also include new protocols around testing. To further strengthen protections, unvaccinated travelers – whether U.S. Citizens, lawful permanent residents (LPRs), or the small number of excepted unvaccinated foreign nationals – will now need to test within one day of departure. Today, the Administration is releasing the following documents to implement these requirements: 1) a Presidential Proclamation to Advance the Safe Resumption of Global Travel During the COVID-19 Pandemic; 2) three Centers for Disease Control and  Prevention (CDC) Orders on vaccination, testing, and contact tracing; and 3) technical instructions to provide implementation details to the airlines and their passengers.  With science and public health as our guide, the United States has developed a new international air travel system that both enhances the safety of Americans here at home and enhances the safety of international air travel. The additional detail released today provides airlines and international air travelers with time to prepare for this new policy ahead of the November 8 implementation date. As previously announced, fully vaccinated foreign nationals will also be able to travel across the Northern and Southwest land borders for non-essential reasons, such as tourism, starting on November 8. Additional detail on amendments to restrictions with respect to land borders will be available in the coming days. Travelers can find full details about today’s air travel announcement on the CDC and Department of State websites.  A summary is below: Fully Vaccinated Status:

  • Starting on November 8, non-citizen, non-immigrant air travelers to the United States will be required to be fully vaccinated and to provide proof of vaccination status prior to boarding an airplane to fly to the U.S.

Proof of Vaccination:

  • For foreign nationals, proof of vaccination will be required – with very limited exceptions – to board the plane.
  • Match the name and date of birth to confirm the passenger is the same person reflected on the proof of vaccination;
  • Determine that the record was issued by an official source (e.g., public health agency, government agency) in the country where the vaccine was given;
  • Review the essential information for determining if the passenger meets CDC’s definition for fully vaccinated such as vaccine product, number of vaccine doses received, date(s) of administration, site (e.g., vaccination clinic, health care facility) of vaccination.
  • The Biden Administration will work closely with the airlines to ensure that these new requirements are implemented successfully.

Accepted Vaccines:

  • CDC has determined that for purposes of travel to the United States, vaccines accepted will include FDA approved or authorized and World Health Organization (WHO) emergency use listed (EUL) vaccines.
  • Individuals can be considered fully vaccinated ≥2 weeks after receipt of the last dose if they have received any single dose of an FDA approved/authorized or WHO EUL approved single-dose series (i.e., Janssen), or any combination of two doses of an FDA approved/authorized or WHO emergency use listed COVID-19 two-dose series (i.e. mixing and matching).
  • More details are available in the CDC Annex here .

Enhanced Testing:

  • Previously, all travelers were required to produce a negative viral test result within three days of travel to the United States.
  • Both nucleic acid amplification tests (NAATs), such as a PCR test, and antigen tests qualify.
  • As announced in September, the new system tightens those requirements, so that unvaccinated U.S. Citizens and LPRs will need to provide a negative test taken within one day of traveling.
  • That means that all fully vaccinated U.S. Citizens and LPRs traveling to the United States should be prepared to present documentation of their vaccination status alongside their negative test result.
  • For those Americans who can show they are fully vaccinated, the same requirement currently in place will apply – they have to produce a negative test result within three days of travel.
  • For anyone traveling to the United States who cannot demonstrate proof of full vaccination, they will have to produce documentation of a negative test within one day of departure.

Requirements for Children:

  • Children under 18 are excepted from the vaccination requirement for foreign national travelers, given both the ineligibility of some younger children for vaccination, as well as the global variability in access to vaccination for older children who are eligible to be vaccinated.
  • Children between the ages of 2 and 17 are required to take a pre-departure test.
  • If traveling with a fully vaccinated adult, an unvaccinated child can test three days prior to departure (consistent with the timeline for fully vaccinated adults). If an unvaccinated child is traveling alone or with unvaccinated adults, they will have to test within one day of departure.

Limited Exceptions from the Vaccination Requirement:

  • There are a very limited set of exceptions from the vaccination requirement for foreign nationals. These include exceptions for children under 18, certain COVID-19 vaccine clinical trial participants, those with medical contraindications to the vaccines, those who need to travel for emergency or humanitarian reasons (with a US government-issued letter affirming the urgent need to travel), those who are traveling on non-tourist visas from countries with low-vaccine availability (as determined by the CDC), and other very narrow categories.
  • Those who receive an exception will generally be required to attest they will comply with applicable public health requirements, including, with very limited exceptions, a requirement that they be vaccinated in the U.S. if they intend to stay here for more than 60 days.

Contact Tracing:

  • The CDC is also issuing a Contact Tracing Order that requires all airlines flying into the United States to keep on hand – and promptly turn over to the CDC, when needed – contact information that will allow public health officials to follow up with inbound air travelers who are potentially infected or have been exposed to someone who is infected.
  • This is a critical public health measure both to prevent the introduction, transmission, and spread of new variants of COVID-19 as well as to add a critical prevention tool to address other public health threats.

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Frequently Asked Questions: Guidance for Travelers to Enter the U.S.

Updated Date: April 21, 2022

Since January 22, 2022, DHS has required non-U.S. individuals seeking to enter the United States via land ports of entry and ferry terminals at the U.S.-Mexico and U.S.-Canada borders to be fully vaccinated for COVID-19 and provide proof of vaccination upon request.  On April 21, 2022, DHS announced that it would extend these requirements. In determining whether and when to rescind this order, DHS anticipates that it will take account of whether the vaccination requirement for non-U.S. air travelers remains in place.

These requirements apply to non-U.S. individuals who are traveling for essential or non-essential reasons. They do not apply to U.S. citizens, Lawful Permanent Residents, or U.S. nationals.

Effective November 8, 2021, new air travel requirements applied to many noncitizens who are visiting the United States temporarily. These travelers are also required to show proof of COVID-19 vaccination. All air travelers, including U.S. persons, must test negative for COVID-19 prior to departure. Limited exceptions apply. See  CDC guidance  for more details regarding air travel requirements.

Below is more information about what to know before you go, and answers to Frequently Asked Questions about cross-border travel.

Entering the U.S. Through a Land Port of Entry or Ferry Terminal

Q. what are the requirements for travelers entering the united states through land poes.

A:  Before embarking on a trip to the United States, non-U.S. travelers should be prepared for the following:

  • Possess proof of an approved COVID-19 vaccination as outlined on the  CDC  website.
  • During border inspection, verbally attest to their COVID-19 vaccination status. 
  • Bring a  Western Hemisphere Travel Initiative  compliant border crossing document, such as a valid passport (and visa if required), Trusted Traveler Program card, a Department of State-issued Border Crossing Card, Enhanced Driver’s License or Enhanced Tribal Card when entering the country. Travelers (including U.S. citizens) should be prepared to present the WHTI-compliant document and any other documents requested by the CBP officer.

 Q. What are the requirements to enter the United States for children under the age of 18 who can't be vaccinated?

A:  Children under 18 years of age are excepted from the vaccination requirement at land and ferry POEs.

Q: Which vaccines/combination of vaccines will be accepted?

A:  Per CDC guidelines, all Food and Drug Administration (FDA) approved and authorized vaccines, as well as all vaccines that have an Emergency Use Listing (EUL) from the World Health Organization (WHO), will be accepted.

Accepted Vaccines:

  • More details are available in CDC guidance  here .
  • 2 weeks (14 days) after your dose of an accepted single-dose COVID-19 vaccine;
  • 2 weeks (14 days) after your second dose of an accepted 2-dose series;
  • 2 weeks (14 days) after you received the full series of an accepted COVID-19 vaccine (not placebo) in a clinical trial;
  • 2 weeks (14 days) after you received 2 doses of any “mix-and-match” combination of accepted COVID-19 vaccines administered at least 17 days apart.

Q. Is the United States requiring travelers to have a booster dose to be considered fully vaccinated for border entry purposes?

A:  No. The CDC guidance for “full vaccination” can be found here.

Q: Do U.S. citizens or lawful permanent residents need proof of vaccination to return to the United States via land POEs and ferry terminals?

A:  No. Vaccination requirements do not apply to U.S. citizens, U.S. nationals, or Lawful Permanent Residents (LPRs). Travelers that exhibit signs or symptoms of illness will be referred to CDC for additional medical evaluation.

Q: Is pre- or at-arrival COVID testing required to enter the United States via land POEs or ferry terminals?

A: No, there is no COVID testing requirement to enter the United States via land POE or ferry terminals. In this respect, the requirement for entering by a land POE or ferry terminal differs from arrival via air, where there is a requirement to have a negative test result before departure.

Processing Changes Announced on January 22, 2022 

Q: new changes were recently announced. what changed on january 22.

A:  Since January 22, 2022, non-citizens who are not U.S. nationals or Lawful Permanent Residents have been required to be vaccinated against COVID-19 to enter the United States at land ports of entry and ferry terminals, whether for essential or nonessential purposes. Previously, DHS required that non-U.S. persons be vaccinated against COVID-19 to enter the United States for nonessential purposes.  Effective January 22, all non-U.S. individuals, to include essential travelers, must be prepared to attest to vaccination status and present proof of vaccination to a CBP officer upon request. DHS announced an extension of this policy on April 21, 2022.

Q: Who is affected by the changes announced on January 22?

A: This requirement does not apply to U.S. citizens, U.S. nationals, or U.S. Lawful Permanent Residents. It applies to other noncitizens, such as a citizen of Mexico, Canada, or any other country seeking to enter the United States through a land port of entry or ferry terminal.

Q: Do U.S. citizens need proof of vaccination to return to the United States via land port of entry or ferry terminals?

A: Vaccination requirements do not apply to U.S. Citizens, U.S. nationals or U.S. Lawful Permanent Residents. Travelers that exhibit signs or symptoms of illness will be referred to CDC for additional medical evaluation. 

Q: What is essential travel?

A:  Under the prior policy, there was an exception from temporary travel restrictions for “essential travel.” Essential travel included travel to attend educational institutions, travel to work in the United States, travel for emergency response and public health purposes, and travel for lawful cross-border trade (e.g., commercial truckers). Under current policy, there is no exception for essential travel.

Q: Will there be any exemptions? 

A: While most non-U.S. individuals seeking to enter the United States will need to be vaccinated, there is a narrow list of exemptions consistent with the Centers for Disease Control and Prevention (CDC) Order in the air travel context.

  • Certain categories of individuals on diplomatic or official foreign government travel as specified in the CDC Order
  • Children under 18 years of age;
  • Certain participants in certain COVID-19 vaccine trials as specified in the CDC Order;   
  • Individuals with medical contraindications to receiving a COVID-19 vaccine as specified in the CDC Order;
  • Individuals issued a humanitarian or emergency exception by the Secretary of Homeland Security;
  • Individuals with valid nonimmigrant visas (excluding B-1 [business] or B-2 [tourism] visas) who are citizens of a country with limited COVID-19 vaccine availability, as specified in the CDC Order
  • Members of the U.S. Armed Forces or their spouses or children (under 18 years of age) as specified in the CDC Order; and
  • Individuals whose entry would be in the U.S. national interest, as determined by the Secretary of Homeland Security.

Q: What documentation will be required to show vaccination status?

A:  Non-U.S. individuals are required to be prepared to attest to vaccination status and present proof of vaccination to a CBP officer upon request regardless of the purpose of travel.

The current documentation requirement remains the same and is available on the CDC website . Documentation requirements for entry at land ports of entry and ferry terminals mirror those for entry by air.

Q: What happens if someone doesn’t have proof of vaccine status?

A: If non-U.S. individuals cannot present proof of vaccination upon request, they will not be admitted into the United States and will either be subject to removal or be allowed to withdraw their application for entry.

Q: Will incoming travelers be required to present COVID-19 test results?

A: There is no COVID-19 testing requirement for travelers at land border ports of entry, including ferry terminals.

Q: What does this mean for those who can't be vaccinated, either due to age or other health considerations? 

A: See CDC guidance for additional information on this topic. Note that the vaccine requirement does not apply to children under 18 years of age.

Q: Does this requirement apply to amateur and professional athletes?

A: Yes, unless they qualify for one of the narrow CDC exemptions.

Q: Are commercial truckers required to be vaccinated?

A: Yes, unless they qualify for one of the narrow CDC exemptions. These requirements also apply to bus drivers as well as rail and ferry operators.

Q. Do you expect border wait times to increase?

A:  As travelers navigate these new travel requirements, wait times may increase. Travelers should account for the possibility of longer than normal wait times and lines at U.S. land border crossings when planning their trip and are kindly encouraged to exercise patience.

To help reduce wait times and long lines, travelers can take advantage of innovative technology, such as facial biometrics and the CBP OneTM mobile application, which serves as a single portal for individuals to access CBP mobile applications and services.

Q: How is Customs and Border Protection staffing the ports of entry? 

A: CBP’s current staffing levels at ports of entry throughout the United States are commensurate with pre-pandemic levels. CBP has continued to hire and train new employees throughout the pandemic. CBP expects some travelers to be non-compliant with the proof of vaccination requirements, which may at times lead to an increase in border wait times. Although trade and travel facilitation remain a priority, we cannot compromise national security, which is our primary mission. CBP Office of Field Operations will continue to dedicate its finite resources to the processing of arriving traffic with emphasis on trade facilitation to ensure economic recovery.

Q: What happens if a vaccinated individual is traveling with an unvaccinated individual?  

A:  The unvaccinated individual (if 18 or over) would not be eligible for admission.

Q: If I am traveling for an essential reason but am not vaccinated can I still enter?

A:  No, if you are a non-U.S. individual. The policy announced on January 22, 2022 applies to both essential and non-essential travel by non-U.S. individual travelers. Since January 22, DHS has required that all inbound non-U.S. individuals crossing U.S. land or ferry POEs – whether for essential or non-essential reasons – be fully vaccinated for COVID-19 and provide related proof of vaccination upon request.

Q: Are sea crew members on vessels required to have a COVID vaccine to disembark?

A:  Sea crew members traveling pursuant to a C-1 or D nonimmigrant visa are not excepted from COVID-19 vaccine requirements at the land border. This is a difference from the international air transportation context.

Entering the U.S. via Air Travel

Q: what are the covid vaccination requirements for air passengers to the united states  .

A:  According to CDC requirements [www.cdc.gov/coronavirus/2019-ncov/travelers/noncitizens-US-air-travel.html | Link no longer valid], most noncitizens who are visiting the United States temporarily must be fully vaccinated prior to boarding a flight to the United States. These travelers are required to show proof of vaccination. A list of covered individuals is available on the CDC website.  

Q: What are the COVID testing requirements for air passengers to the United States?  

A:  Effective Sunday, June 12 at 12:01 a.m. ET, CDC will no longer require pre-departure COVID-19 testing for U.S.-bound air travelers.

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COVID-19 international travel advisories

If you plan to visit the U.S., you do not need to be tested or vaccinated for COVID-19. U.S. citizens going abroad, check with the Department of State for travel advisories.

COVID-19 testing and vaccine rules for entering the U.S.

  • As of May 12, 2023, noncitizen nonimmigrant visitors to the U.S.  arriving by air  or  arriving by land or sea  no longer need to show proof of being fully vaccinated against COVID-19. 
  • As of June 12, 2022,  people entering the U.S. no longer need to show proof of a negative COVID-19 test . 

U.S. citizens traveling to a country outside the U.S.

Find country-specific COVID-19 travel rules from the Department of State.

See the  CDC's COVID-19 guidance for safer international travel.

LAST UPDATED: December 6, 2023

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U.S. Implements New Vaccine Rules for International Travel

As of november 8, all foreign nationals entering the united states must be fully vaccinated, and there are new rules for unvaccinated americans, too—here’s everything you need to know..

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U.S. Implements New Vaccine Rules for International Travel

No matter where foreign travelers are coming from, they will need to be vaxxed to enter the United States.

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There are now new rules for entering the United States from abroad, including for foreign nationals and for unvaccinated Americans. Effective November 8, all foreign nationals entering the United States, with few exceptions (such as children under 18), are now required to show proof of vaccination.

The vaccination rule effectively lifts a ban on international leisure travel for residents from the 26-nation European Schengen area, the United Kingdom, Ireland, Brazil, China, South Africa, and Iran who have been all but barred from entering the United States since March 2020. But it also now makes being vaccinated a requirement for all foreign nationals entering the United States, including those for whom vaccination status was not previously a requirement for entry.

“I have determined that it is in the interests of the United States to move away from the country-by-country restrictions previously applied during the COVID-19 pandemic and to adopt an air travel policy that relies primarily on vaccination to advance the safe resumption of international air travel to the United States,” President Joe Biden wrote in an October 25 presidential proclamation establishing the new order that “suspends the entry of unvaccinated noncitizen nonimmigrants, except in limited circumstances.”

The vaccine requirement for foreign nationals does not apply to U.S. citizens and residents and is in addition to the negative COVID test required for everyone, including U.S. citizens and residents, entering the United States.

New rules for unvaccinated Americans

Although U.S. citizens and residents are not required to be vaccinated to enter the United States from abroad, unvaccinated Americans do have slightly different COVID testing rules as of November 8.

Currently, all international passengers flying into the United States who are age two and older—including returning U.S. citizens and permanent residents—must provide proof of a negative COVID-19 test (PCR, antigen, or approved home or self tests ) taken within three days prior to boarding their flight to the U.S.

Effective November 8, fully vaccinated Americans will continue to be held to this requirement, but unvaccinated Americans will need to be tested within 24 hours of boarding their flight to the U.S. (versus three days, making it even more of a last-minute scramble).

Details of the vaccine requirement for international travel

The CDC considers someone to be fully vaccinated as long as it has been 14 days since they have received the required single or double dose of vaccines approved either by the U.S. Food and Drug Administration (FDA) or the World Health Organization (WHO), which includes the FDA-approved Pfizer-BioNTech, Moderna, and Johnson & Johnson vaccines and the WHO-authorized Oxford-AstraZeneca/Covishield, Sinopharm, and Sinovac vaccines.

Acceptable proof of vaccination includes a digital or paper vaccine certificate, including the United Kingdom National Health Service COVID Pass and the European Union Digital COVID Certificate. For those using a digital QR code, the code must link to information confirming that the proof of vaccination comes from an official immunization record.

The proof of vaccination must include the traveler’s full name and date of birth and must match the information on their passport or other travel documents. It also needs to have the official source that issued the record, such as the public health agency, government body, or other authorized vaccine provider, as well as the vaccine manufacturer and date(s) of inoculation.

What are the exceptions to the U.S. vaccine requirement?

First, those who do not have an exception to this requirement are people who are not vaccinated due to “religious reasons or other moral convictions,” according to the CDC order outlining the precise details of the vaccination requirement .

Official exceptions include:

  • Children under 18
  • Those with a documented medical reason that makes it inadvisable for them to receive a COVID-19 vaccine
  • Diplomats and foreign officials
  • U.S. Armed Forces members, their spouses, and children
  • Sea crew members

Also exempt are citizens of countries with limited COVID-19 vaccine availability , which as of October 25 includes 50 countries with vaccination rates below 10 percent. The CDC will update this list every 90 days. Travelers from these countries will need to have a valid nonimmigrant visa that is not a B-1 or B-2 visa.

Those who fall under one of the above exceptions and are age two and older must provide a negative COVID test from within one day prior to their departure flight to the U.S. or provide proof of having recovered from COVID within the past 90 days. They must also verify that they will be tested within three to five days after arriving in the U.S. and that they will quarantine for seven days.

U.S. opens Canada and Mexico land borders to vaccinated travelers

Another big change on November 8 is an opening up of U.S. land borders to leisure travel. Travelers from Canada and Mexico have been able to enter the United States by air but have been awaiting the freedom to travel to the U.S. by land since the land borders were closed to nonessential travel in March 2020—since then, only essential workers have been allowed to cross.

But starting November 8, fully vaccinated leisure travelers can enter the United States by land or ferry from Mexico and Canada, and they will not need to provide proof of a negative COVID-19 test as is required for international air arrivals into the United States.

“These travelers will be required to attest to vaccination status and present proof of vaccination to a CBP officer upon request,” explained Matthew Davies, executive director of admissibility and passenger programs for U.S. Customs and Border Patrol, said during a November 2 media briefing.

>> Next: Airport Wait Times Likely to Climb as U.S. Reopens to International Travel

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The countries you can travel to without a vaccine

By Abigail Malbon

The 28 most popular countries you can travel to without a vaccine

Travel around the world is easier now, particularly for those who are fully vaccinated with an approved Covid vaccine – but some countries are allowing unvaccinated travellers to enter. Yet with restrictions constantly changing, how do the latest rules affect those who aren't fully vaccinated, and which countries are allowing tourists to enter if they're unvaccinated?

Where can I travel unvaccinated?

There are currently a number of countries that will allow visitors who have not been vaccinated to enter. A few of them are in Europe , and the others are slightly farther afield. We recommend always closely following UK health guidance, including having your Covid vaccine and booster if you are able to. Before travelling, you should regularly check government guidelines both for the country you might be considering visiting and for the UK when you return.

You can find the full list of countries allowing people to enter without a vaccine below:

Since 1 May 2022, unvaccinated travellers are able to visit the country without proof of a negative PCR or rapid antigen test. Passenger locator forms are also no longer required.

Arrivals may, however, be required to undergo a rapid Covid test on arrival. If you test positive on arrival in Greece, you (and those you are travelling with) will have to self-isolate for at least five days, either at home or in a hotel (this will be paid for by the Greek state). If you have no symptoms on day five you will be allowed to leave quarantine.

For holiday inspiration, see our guide to the best Greek Islands to visit .

Read the rules on travel to Greece .

2. Portugal and Madeira

Portugal ’s mainland and Madeira are open to travellers who have not been vaccinated, as long as they can prove they don't have coronavirus when they enter the country. To enter mainland Portugal, you will be required to show proof of a negative PCR test taken within 72 or an antigen test taken within 24 hours of departure for the country as well as complete and submit a traveller questionnaire before departure for the country. Self-administered tests are not accepted. Your temperature will also be screened on arrival.

To enter Madeira, you must register on the Madeira Safe travellers platform and download a QR code to present to airport staff on arrival. You must provide proof of a negative antigen test taken within 48 hours of departure that has been administered by a trained healthcare professional.

Your airline may deny boarding if you cannot show one of these documents when you check in for your flight. Check with your airline before you travel.

Read the rules on travel to Portugal .

A blue mind

Unvaccinated adult travellers can enter Spain if they are able to show proof of a negative test taken before entering the country. Previously, only fully vaccinated travellers aged 12 and over could enter Spain from the UK, but the destination has relaxed rules slightly, so it is now accepting negative PCR tests taken in the 72 hours before departure for the country or negative antigen tests taken in the 24 hours before departure for the country in lieu of full vaccination in adults. However, those who cannot meet either criteria will not be able to enter.

As of 1 February, you need to have received your second jab between 14 and 270 days before travel to Spain and the Canary Islands to be classed as fully vaccinated. Children aged 12-17 no longer need to show proof of a vaccine, but will need a negative PCR test to enter.

Read the rules on travel to Spain .

Unvaccinated travellers can enter Croatia without showing proof of a vaccine or negative test. The requirement to fill out a passenger locator form also no longer exists.

Read the rules on travel to Croatia .

Unvaccinated travellers to  Cyprus  must provide proof of a negative PCR test taken within 72 hours before departure for the country or an antigen test taken in the 24 hours before departure for the country. Travellers over 12 may then be asked to take another PCR test upon arrival at Larnaca or Paphos airports, and remain in isolation until the result comes back (this should take roughly three hours). This costs €15–€19 and must be paid for by the traveller.

Read the rules on travel to Cyprus .

If you are unvaccinated and over 12 years old, you must provide a negative PCR test result taken within 72 hours or an antigen test result taken within 48 hours pre-departure for entry to France.

Read the rules on travel to France .

7. Maldives

All travellers to the Maldives must fill in a Traveller Declaration form in the 72 hours prior to departure. A PCR test is no longer required regardless of vaccination status.

Read the rules on travel to the Maldives .

Unvaccinated tourists entering Italy from the UK must show a negative PCR test taken within 48 hours before entering, or a negative lateral flow test taken within 48 hours before entering. The requirement to fill in a passenger locator form has now been lifted.

Read the rules on travel to Italy .

9. Dubai and United Arab Emirates

You do not have to be fully vaccinated to visit the UAE. Unvaccinated arrivals to the Emirates must present evidence of a negative PCR test taken 48 hours before departure. Unvaccinated travellers from the UK to Dubai may be required to have a Covid-19 PCR test on arrival.

Read the rules on travel to Dubai .

10. Slovenia

Unvaccinated British travellers to Slovenia must provide a Digital Passenger Locator Form, but are not required to show proof of a negative test or vaccination to enter.

You do not need to be fully vaccinated to visit Turkey, but you must be able to show proof of a negative PCR test (taken no more than 72 hours before entry), rapid antigen test (taken no more than 48 hours before entry), or proof of a recent recovery from Covid-19 within the last six months. Arrivals into the country should also show an online form completed 72 hours before travel and will be subject to a medical evaluation for symptoms of coronavirus, including temperature checks. Arrivals may be subject to random PCR testing on arrival.

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You must wear a face mask at all times while in an airport and for the duration of all flights, to and from Turkey.

Read the rules on travel to Turkey .

Mexico  does not currently require visitors to show a negative PCR test or quarantine on arrival. Resorts are also able to request guests fill in a health questionnaire on arrival.

Read the rules on travel to Mexico .

13. Ireland

If you are travelling to Ireland as of Sunday 6 March 2022, you do not need to show any proof of vaccination, proof of recovery, negative test or passenger locator form.

Read the rules on travel to Ireland .

As of Friday 1 April 2022, UK travellers visiting Sweden are no longer required to present a negative Covid-19 test or proof of vaccination.

15. Seychelles

Travellers are able to enter Seychelles regardless of vaccination status, but must present a negative PCR test taken within 72 hours prior to departure for the country or a rapid antigen test done within 24 hours. There is no requirement to quarantine on arrival, but travellers must stay in approved accommodation.

16. Bahamas

Unvaccinated travellers aged 12 and over must show a negative PCR test taken no more than 72 hours prior to the date of arrival to The Bahamas. All visitors of any age must submit a Bahamas Travel Health Visa Trip application. Seventeen-year-olds and under must be included in a parent or guardian’s profile.

All travellers to Egypt must complete a declaration form before entering the country. Unvaccinated travellers are required to show either a negative PCR test, taken no more than 72 hours before arrival in Egypt, or a rapid antigen test. Proof of Covid-19 recovery will not be accepted.

18. Cape Verde

You do not need to be fully vaccinated to enter Cape Verde, but you do need to be able to prove that you don't have Covid, either with a negative PCR test taken 72 hours before departure for the country or a lateral flow test taken 48 hours, when you check-in for your flight to Cape Verde.

19. Iceland

On 25 February 2022 all Covid restrictions were removed, including domestic rules. This means you do not need to test or show proof of vaccination status to enter the country.

20. Luxembourg

All travellers to Luxembourg need to fill in a passenger locator form before their flight. Those who are not vaccinated need to show proof of a negative PCR test taken no more than 48 hours before their flight, or a negative lateral flow test taken no more than 24 hours before. If you’re not fully vaccinated but have tested positive for Covid in the last year you can show proof of recovery to enter.

The travel restrictions upon entry into Norway have been lifted, which means that the same rules as before the pandemic now apply.

Read the rules on travel to Norway .

22. Sri Lanka

Covid travel insurance is mandatory for all visitors, and unvaccinated travellers need to show proof of a negative PCR test taken no more than 72 hours before their flight, or a negative lateral flow test taken no more than 48 hours before – be aware that self-swab tests are not recognised.

23. South Africa

Travellers to South Africa must present proof of a negative PCR test taken no more than 72 hours before departure for the country. You may be screened on arrival.

Read the rules on travel to South Africa .

Unvaccinated travellers to Belize must present a negative PCR test taken within 72 hours before arrival, or a negative antigen test taken in the 48 hours before arrival. You may also opt to take a rapid test at the airport, at a cost of BZ$100 or US$50 (which must be paid in cash). If you test positive, you will be required to quarantine at your own cost. Foreign tourists are required to pay BZ$36 (US$18) for Belize Travel Health Insurance – this is mandatory even if you already have personal travel insurance and helps protect against incurred medical and non-medical expenses should you test positive for Covid during your stay in Belize.

There are no direct flights from the UK to Belize, so it's important to check the rules of the country you will be transiting through too.

25. Costa Rica

Since 1 April 2022 there have been no requirements for entry to Costa Rica in regards to coronavirus. However, the government acknowledges that these may be brought back at short notice, in which case travellers should always check guidance before their trip.

Since 6 April 2022, there have been no requirements for travellers from the UK to show either a Covid vaccination or Covid test when entering Cuba. However, random testing is still being carried out at airports, and anyone who tests positive will be moved to quarantine in a designated government health centre, at their own expense.

27. Denmark

There are no Covid-related requirements regarding test or self-isolation when entering Denmark.

Read the rules on travel to Denmark .

You do not need to show proof of vaccination to enter Monaco, however travellers over the age of 16 who are not fully vaccinated will need to provide either a negative result of a PCR or antigen test taken within the last 24 hours, or a certificate showing proof of recovery from Covid-19 (a positive PCR or antigen test, taken more than 11 days before arrival and within the last six months).

Do I have to quarantine when returning to the UK?

No. On 18 March 2022 all Covid travel rules within the UK were removed – which means that travellers do not need to test, quarantine or even fill in a passenger locator form , regardless of their vaccination status, upon return to the country.

Assessing Measles Outbreak Risk in the United States

April 4, 2024, 4:45 PM EDT

Updates on respiratory illness and vaccine-preventable diseases.

What’s New?

  • Global measles activity is increasing.
  • U.S. measles-mumps-rubella (MMR) coverage among kindergarteners is below the 95 percent coverage target—much lower in some communities—and is decreasing.
  • CDC is creating models to show how measles outbreaks could occur and spread in the U.S.

Measles is an extremely infectious and potentially severe rash illness that was very common among children before the measles-mumps-rubella (MMR) vaccine was introduced in 1971. Measles was declared eliminated in the U.S. in 2000, due to high levels of vaccination with the safe and effective MMR vaccine. This year, the U.S. is at greater risk for measles outbreaks because decreased vaccination worldwide has led to more cases internationally. People who are not vaccinated may encounter measles when traveling abroad and return to the U.S. with measles. Additionally, declining U.S. vaccination rates increases susceptibility to outbreaks.

It’s important to remember that the overall measles outbreak risk to the general population is low; however, measles cases are increasing globally, increasing the chance of importations into the U.S. and subsequent risk of outbreaks, particularly in communities with low vaccination rates. Below, we describe measles epidemiology, including factors that determine who is likely to get measles, and how big outbreaks could get. We also describe how we are using modeling to explore potential scenarios and to better understand future measles outbreak risk in the United States. Modeling is also used to help highlight recommended preparedness actions for individuals and public health practitioners in state, local, tribal, and territorial health departments.

What is measles, and why are we talking about it right now?

Measles is an extremely infectious and potentially severe rash illness. Measles was declared eliminated in the U.S. in 2000 , thanks to a very high percentage of people receiving the safe and effective measles-mumps-rubella (MMR) vaccine.

Before the measles vaccine was introduced, nearly everyone was infected with the measles virus by the time they were 15 years old. It is estimated that 3 to 4 million people in the U.S. were infected, 400—500 people died, 48,000 were hospitalized, and 1,000 suffered encephalitis (swelling of the brain) each year.

U.S. measles outbreak risk depends on two main factors:

  • Global measles activity: More cases of measles occurring globally  means more chances for importation to the U.S.
  • U.S. population susceptibility to measles virus: Since the COVID-19 pandemic, MMR coverage among kindergarteners slipped below the 95% vaccination coverage target for the U.S. to 93%. About 250,000 kindergarteners were not up to date on their MMR vaccines each year since the 2020-2021 school year.

The two primary factors that contribute to measles outbreaks in the U.S. are global measles activity and declining MMR vaccination coverage in the U.S.

Figure 1: The two primary factors that contribute to measles outbreaks in the U.S. are global measles activity and declining MMR vaccination coverage in the U.S.

What factors determine measles outbreak likelihood and size?

In the U.S., measles outbreaks generally fall into three broad categories of size, based on the susceptibility of those exposed to an imported case of measles:

  • No outbreak : If a person infected with measles abroad returns to the U.S. and arrives in the general population in a well-vaccinated setting, this usually does not result in transmission to others and an outbreak. From 2001-2023, 70% of international measles importations did not lead to outbreaks.
  • Small to medium outbreak : If a person who acquired measles abroad returns to an undervaccinated setting in the general population, a small- to medium-sized outbreak is likely. The size of the outbreak depends on the strength of public health response, density of the exposure setting, and chance events, such as where the measles exposures occurred and how many unvaccinated individuals were exposed.
  • Large outbreak : If a person who acquired measles abroad returns to a close-knit and undervaccinated community with high population density, a large outbreak is likely. From 2001-2023, 88% of outbreaks larger than 50 cases have occurred within these settings.

Diagram showing common patterns and sizes of measles outbreaks after exposure to an imported measles case, among different U.S. populations with varied MMR vaccination levels

Figure 2: Diagram showing common patterns and sizes of measles outbreaks after exposure to an imported measles case, among different U.S. populations with varied MMR vaccination levels.

How does this epidemiologic context inform modeling efforts?

We see from the epidemiologic data that measles outbreaks mostly occur in close-knit and undervaccinated communities.  As shown in Figure 3, two populations can have the same vaccination coverage on average, when individuals who are not vaccinated are spread throughout the community, the risk of an outbreak is low. However, if unvaccinated individuals are clustered, the risk of an outbreak within that group of closely associated unvaccinated individuals is high.

Left side shows individuals are spread, the risk of an outbreak is low. Right side shows unvaccinated individuals clustered together in space, there is high risk of an outbreak.

Figure 3: Even when overall vaccination levels are the same, spatial clustering of unvaccinated people changes outbreak risk. Among the group on the left, individuals are spread, and the risk of an outbreak is low. On the right, however, unvaccinated individuals are clustered together in space, meaning there is high risk of an outbreak within that group of closely associated unvaccinated individuals, and low risk elsewhere.

How do we model potential measles outbreaks?

CDC’s Center for Forecasting and Analytics (CFA), together with the Division of Viral Diseases (DVD) in the National Center for Immunization and Respiratory Diseases (NCIRD), have been analyzing measles data and creating models to explore potential scenarios and help us better understand measles outbreak risk in the U.S.

How many measles outbreaks might we see in 2024?

By looking at historical data on measles outbreaks, outbreak size, and their distribution since 2001, we anticipate the most likely number of cases in 2024 is around 300, and we estimate there is a 4% chance of >1000 measles cases reported in 2024. Our analysis indicates the number of outbreaks in 2024 is unlikely to be substantially greater than the number of outbreaks in prior years such as 2011, 2014, 2018, and 2019.

Bar graph depicting the number of measles outbreaks per year from 2001 to 2024

Figure 4: Bar graph depicting the number of measles outbreaks per year from 2001 to 2024, with outbreaks defined as 3 or more connected cases. The bar for 2024 represents a combination of the number of outbreaks we have seen so far in 2024 and a projection, in grey, based on the number of importation events we saw in previous years and the period of the year during which importations are most common. The error bars shown for 2024 represent the 95% interval of statistical confidence around how many outbreaks might occur.

How could changing MMR coverage impact the risk of measles outbreaks for schoolchildren?

As vaccination coverage has declined among kindergarteners—with about 250,000 children each year not fully vaccinated against MMR by kindergarten entry since the COVID-19 pandemic began —we analyze how this might affect outbreak risk.

We explore how vaccination coverage affects outbreak risk in a hypothetical school population. We know vaccination coverage can vary widely in schools based on the number of children with medical or non-medical vaccine exemptions.

The more children who are unvaccinated in a school, the higher the chance of a measles outbreak within that school, and the larger that outbreak could be.

This puts children who are unvaccinated for medical reasons—and household members who are immune-compromised or babies who are too young to be vaccinated—at risk of measles and its complications. This can also create a substantial public health response burden, including strain on medical facilities, doctors, nurses, and health departments.

Table 1 below shows an example of a school with 100 children and 1 infectious child, at different levels of MMR coverage. The model, a simplified version of the model used in this paper , assumes that the child with measles goes to school while infectious and there is no vaccination intervention.

Table 1: Example scenario of a 100-child school at different levels of MMR vaccination coverage with one introduced measles case. Chance of an outbreak reflects the outcomes of 500 simulation runs, with outbreaks defined as 3 or more cases. As MMR coverage declines, the chance of an outbreak increases—and once coverage is at 85% coverage or below, the risk of an outbreak is high if a child with measles went to school while infectious.

This example illustrates the following conclusions:

  • As vaccination coverage declines, the chance of an outbreak increases. Once we decline to 85% MMR coverage and below, an outbreak is likely to occur if a child with measles comes to school while infectious.
  • Even at 97% coverage, there is some chance of an outbreak occurring if a child with measles comes to school while infectious. This highlights that while the measles vaccine is very effective, measles is extremely infectious and unvaccinated children remain at risk for measles infection. The best protection against measles is to get vaccinated.

Actions for the Public

  • The MMR vaccine is very safe and effective. Two doses of MMR vaccine provide better protection against measles than one dose: two doses of MMR vaccine are about 97% effective at preventing measles; one dose is about 93% effective.
  • Measles is extremely infectious and can cause life-threatening illness. Anyone who is not protected against measles is at risk. An unvaccinated person can get measles when traveling abroad or in the U.S. Vaccination also protects those too young for their first measles vaccine or those with medical conditions that are unable to be immunized.
  • Parents should get their children vaccinated on schedule with MMR vaccine. Teens and adults should check with their doctors to make sure they are protected against measles.
  • International travel : People 6 months and older should be protected against measles before leaving for international trips. Infants under 12 months old who are traveling internationally should get an early dose at 6 through 11 months, then follow the recommended schedule for doses 1 and 2. People 12 months and older should receive 2 doses before travel. Watch your health for 3 weeks after you return. If you or your child gets sick with a rash and fever, call your healthcare provider.
  • Possible exposure: If you think that you have measles or have been exposed to someone with measles, isolate yourself from others and call your healthcare provider, urgent care, or emergency room before arriving to be tested. Do not arrive at a healthcare facility without giving advance notice.

Exit Notification / Disclaimer Policy

  • The Centers for Disease Control and Prevention (CDC) cannot attest to the accuracy of a non-federal website.
  • Linking to a non-federal website does not constitute an endorsement by CDC or any of its employees of the sponsors or the information and products presented on the website.
  • You will be subject to the destination website's privacy policy when you follow the link.
  • CDC is not responsible for Section 508 compliance (accessibility) on other federal or private website.

Biden Administration to Relax U.S. Travel Restrictions for Fully Vaccinated Foreign Visitors

Additionally, unvaccinated Americans returning to the country will be required to get tested for COVID-19 within a day of their departure as well as after their arrival.

U.S. to Relax Travel Restrictions

Travelers enter a new Transportation Security Administration (TSA) screening area during the opening of the Terminal 1 expansion at Los Angeles International Airport (LAX) on June 4, 2021 in Los Angeles, California. - - The terminal expansion is part of a $477.5 million infrastructure project to expand passenger capacity including security screening, baggage, and a future connection to the Automated People Mover (APM) train system. (Photo by Patrick T. FALLON / AFP) (Photo by PATRICK T. FALLON/AFP via Getty Images)

PATRICK T. FALLON | Getty Images

Travelers enter a Transportation Security Administration screening area at Los Angeles International Airport on June 4, 2021 in Los Angeles, California.

The Biden administration will relax international travel restrictions in November for foreign visitors entering the U.S. who are fully vaccinated against the coronavirus, the White House announced on Monday.

Foreign travelers will have to show proof of vaccination before boarding a flight to the U.S. and provide a negative coronavirus test result taken within three days of the flight, White House COVID-19 coordinator Jeff Zients said on a call with reporters. The passengers will not need to quarantine when they arrive.

While other countries relaxed their restrictions on American travelers, the U.S. kept its travel bans in place, citing concerns over the rapidly spreading delta variant. Monday's announcement is a major development for the travel industry, which has suffered during the pandemic and put pressure on the Biden administration to relax restrictions.

Cartoons on the Coronavirus

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"International travel is critical to connecting families and friends, to fueling small and large businesses, to promoting the open exchange of ideas and culture," Zients said. "That's why with science and public health as our guide, we have developed a new international air travel system that both enhances the safety of Americans here at home and enhances the safety of international air travel."

The Centers for Disease Control and Prevention will determine which COVID-19 vaccines the U.S. will accept, Zients said. Shots from Pfizer, Moderna and Johnson & Johnson are authorized for use in the U.S., though several other vaccines are in use worldwide.

Zients also announced that the Biden administration will tighten rules for unvaccinated Americans coming back to the U.S. Any unvaccinated Americans returning to the country will need to be tested within a day of their departure as well as after their arrival.

The new rules will go into effect in "early November," according to Zients.

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Travel tips for passengers departing Indianapolis International Airport after total solar eclipse

INDIANAPOLIS – The Transportation Security Administration (TSA) doesn’t want passengers departing Indianapolis International Airport (IND) to be caught in the dark: Tuesday, April 9 is expected to be a busy day with high throughput volumes.

Currently, travel volumes at IND for next Tuesday are projected to be about 40 percent higher than the volume seen on a typical Tuesday. The busiest times of day will be 5-8 a.m. and 2-5 p.m.

“Planning is critical when traveling on busy days like this,” TSA Indiana Federal Security Director Aaron Batt said. “Arriving at the airport with extra time and knowing what can and can’t be packed in carry-on and checked bags will save you time and keeps things moving quickly at checkpoints.”

Here are a few tips that will, beyond a shadow of a doubt, help passengers navigate the screening process efficiently and safely.

  • Arrive to the airport at least two hours before your scheduled flight, and give yourself plenty of time for every step of your travel journey – including parking or being dropped off, checking bags, and making your way to your gate.
  • Be ready at the checkpoint. Before you approach, take a few moments to find your ID and secure any loose items in your carry-on bag. All screening lanes at IND are equipped with state-of-the-art Computed Tomography (CT) technology, which allows passengers to leave liquids, laptops, and other electronic devices inside their carry-on bags. If you have any questions, ask an officer, who can help shed light on the best way to move through the process.
  • Remember the 3-1-1 rule when packing liquids for carry-on bags. Liquids are limited to 3.4 ounces or less, packed in a quart-sized bag and limited to one bag per passenger. Solid foods (like sunflower seeds and moon pies) can be carried on, but if you can spill it, spray it, spread it, pump it, or pour it, it needs to go in checked baggage.
  • Unsure if an item should be packed in a carry-on bag, checked bag, either or neither?  Download the free MyTSA app , which has a handy  “What can I bring?” feature  that allows you to type in the item to find out if it can fly. Or ask on X or Facebook Messenger at  @AskTSA . Travelers may send a question by texting “Travel” to AskTSA (275-872).
  • Travelers or families of passengers who need assistance may call the TSA Cares helpline toll-free at 855-787-2227 at least 72 hours prior to travel with any questions about screening procedures and to find out what to expect at the security checkpoint. TSA Cares also arranges assistance at the checkpoint for travelers with specific needs.

US measles cases surpass 2023 total in first three months of this year, CDC says

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Measles cases in the U.S. continue to increase, so much so that this year's amount has already surpassed 2023's total, according to the Centers for Disease Control and Prevention (CDC).

As of March 21, the CDC confirmed that 64 measles cases have been reported by 17 jurisdictions — including Arizona, California, Florida, Georgia, Illinois, Indiana, Louisiana, Maryland, Michigan, Minnesota, Missouri, New Jersey, New York City, Ohio, Pennsylvania, Virginia and Washington.

A total of 58 cases were reported in the U.S. in 2023, according to the CDC.

The CDC issued a health advisory on March 18 to warn people, especially children and international travelers, about the increase in global and U.S. cases and to suggest they get vaccinated.

"Measles (rubeola) is highly contagious; one person infected with measles can infect 9 out of 10 unvaccinated individuals with whom they come in close contact," the CDC's health advisory said.

Who is contracting measles?

Most reported cases were linked to international travel and children ages 12 months and older who have not received the measles vaccine, the CDC said. Many countries, including Austria, the Phillippines, Romania and the United Kingdom are dealing with measles outbreaks, according to the government agency.

Although the number of cases is concerning, the CDC said due to "high population immunity against measles in most U.S. communities, the risk of widescale spread is low." Some communities may be at higher risk for outbreaks if they have a "low coverage" of vaccinated people, according to the agency.

Florida measles outbreak: Cases spread as state defies CDC guidance

Dr. Demetre Daskalakis, director of the National Center for Immunization and Respiratory Diseases at the CDC, told the New York Times that the increase in cases should “alert us, rather than alarm us."'

Parents should talk to their pediatrician about vaccination, according to Daskalakis. Parents discussing vaccinations with doctors they trust can help in what Daskalakis told the New York Times is an "uphill battle."

“Given the impact on vaccine confidence that we’ve seen after Covid, and during Covid,” the doctor said, “I think we have to just keep that drumbeat going.”

How is measles transmitted?

Measles is "an acute viral respiratory illness," according to the CDC.

If contracted, measles can be "highly contagious" and lead to "severe health complications, including pneumonia, encephalitis (inflammation of the brain), and death," the government agency said.

Measles is an airborne virus that typically affects children ages 5 and younger, according to the World Health Organization (WHO).

What are the symptoms of measles?

Measles usually begins when the infected develops a fever, cough, runny nose and pink eye for about two to four days before rash onset, according to the CDC. The incubation period for measles from exposure to fever is typically about 10 days, while rash onset will begin to be visible around 14 days after initial exposure, the agency said.

Two doses of vaccine can prevent measles, the WHO said.

"Measles vaccination averted 56 million deaths being between 2000 and 2021," according to the United Nations agency.

Jonathan Limehouse covers breaking and trending news for USA TODAY. Reach him at [email protected]

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What to Know About the C.D.C. Guidelines on Vaccinated Travel

In updated recommendations, the federal health agency said both domestic and international travel was low risk for fully vaccinated Americans. But travel remains far from simple.

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us international travel for unvaccinated

By Ceylan Yeginsu

The Centers for Disease Control and Prevention updated its guidance for fully vaccinated Americans in April, saying that traveling both domestically and internationally was low risk.

The long-awaited recommendations were issued by federal health officials after a series of studies found that vaccines administered in the United States were robustly effective in preventing infections in real-life conditions.

One is considered fully vaccinated two weeks after receiving the single dose of the Johnson & Johnson vaccine, or two weeks after receiving the second dose of the Pfizer-BioNTech or Moderna shots.

If you decide to travel, you might still have some questions. Here are the answers.

Will I still need to wear a mask and socially distance while traveling?

Yes. Under federal law, masks must be worn at airports in the United States, onboard domestic flights and in all transport hubs. The C.D.C. says that as long as coronavirus measures are taken in these scenarios, including mask wearing, fully vaccinated Americans can travel domestically without having to take a test or quarantine, although the agency warns that some states and territories may keep their local travel restrictions and recommendations in place.

For those wishing to travel internationally, a coronavirus test will not be required before departure from the United States unless mandated by the government of their destination. Vaccinated travelers are still required to get tested three days before travel by air into the United States, and are advised to take a test three to five days after their return, but will not need to self-quarantine.

Can I go abroad?

Yes, but only to countries that will have you.

More than half the world’s countries have reopened to tourists from the United States, including the countries of the European Union , which on June 18 added the United States to its “safe list” of countries, meaning that American travelers can now visit. While the European Union aims to take a coordinated approach to travel this summer, member states will be allowed to set their own requirements for travelers from individual countries based on their own epidemiological criteria, which means they may require testing or vaccination.

Some places like Turkey, Croatia and Montenegro had already been welcoming Americans with negative test results. Greece joined that growing list in May, ahead of most European countries, opening to fully vaccinated tourists and other foreigners with a negative test.

Many Caribbean nations have reopened to American tourists, but each has its own coronavirus protocols and entry requirements.

Here’s a full list of countries Americans can currently travel to.

What about domestic travel? Is it free and clear to cross state borders?

If you are fully vaccinated, the C.D.C. says you can travel freely within the United States and that you do not need to get tested, or self-quarantine, before or after traveling. But some states and local governments may choose to keep travel restrictions in place, including testing, quarantine and stay-at-home orders. Hawaii , for instance, still has travel restrictions in place.

Before you travel across state lines, check the current rules at your destination.

How are they going to check that I’m fully vaccinated?

Right now, the best way to prove that you have been vaccinated is to show your vaccine card .

Digital vaccine and health certificates showing that people have been vaccinated or tested are in various stages of development around the world and are expected, eventually, to be widely used to speed up travel.

The subject of “ vaccine passports ” is currently one of the most hotly debated topics within the travel industry, with questions over the equity of their use and concerns over health and data privacy.

In early April, Gov. Ron DeSantis of Florida issued an executive order that would ban local governments and state businesses from requiring proof of vaccination for services.

And in March, the European Union endorsed its own vaccine certificate , which some countries are already using, with more expected to adopt it by July 1.

But what about my kids? What’s the guidance on traveling with unvaccinated people?

The C.D.C. advises people against travel unless they have been vaccinated. If you must travel, the agency recommends testing one to three days before a trip and following all coronavirus guidance at your destination.

In May, the F.D.A. expanded its emergency use authorization of the Pfizer-BioNTech coronavirus vaccine to include adolescents between 12 and 15 years of age.

All air passengers aged two and older coming into the United States, including fully vaccinated people, are required to have a negative Covid-19 test result taken no more than three days before they board their flight.

What is my moral obligation to the places I visit where most people are not vaccinated?

The United States inoculation rollout has been among the fastest in the world, but there is a stark gap between its rapid rollout and the vaccination programs in different countries. Some nations have yet to report a single dose being administered.

Many countries are currently seeing a surge in new cases and are implementing strict coronavirus protocols, including mask mandates in public spaces, capacity limits at restaurants and tourist sites and other lockdown restrictions.

It is important to check coronavirus case rates, measures and medical infrastructure before traveling to your destination and not to let your guard down when you get there. Even though you are fully vaccinated, you may still be able to transmit the disease to local communities who have not yet been inoculated.

You can track coronavirus vaccination rollouts around the world here.

Follow New York Times Travel on Instagram , Twitter and Facebook . And sign up for our weekly Travel Dispatch newsletter to receive expert tips on traveling smarter and inspiration for your next vacation.

Ceylan Yeginsu is a London-based reporter. She joined The Times in 2013, and was previously a correspondent in Turkey covering politics, the migrant crisis, the Kurdish conflict, and the rise of Islamic State extremism in Syria and the region. More about Ceylan Yeginsu

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