International Travel During COVID- 19/海外渡航時の米国検疫情報(English)

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UPDATE
Given new evidence on the B.1.617.2 (Delta) variant, CDC has updated the guidance for fully vaccinated people. CDC recommends universal indoor masking for all teachers, staff, students, and visitors to K-12 schools, regardless of vaccination status. Children should return to full-time in-person learning in the fall with layered prevention strategies in place.

UPDATE
The White House announced that vaccines will be required for international travelers coming into the United States, with an effective date of November 8, 2021. For purposes of entry into the United States, vaccines accepted will include FDA approved or authorized and WHO Emergency Use Listing vaccines. More information is available here.

UPDATE
Travel requirements to enter the United States are changing, starting November 8, 2021. More information is available here.

U.S. Citizens, U.S. Nationals, U.S. Lawful Permanent Residents, and Immigrants: Travel to and from the United StatesU.S. Citizens, U.S. Nationals, U.S. Lawful Permanent Residents, and Immigrants: Travel to and from the United States

Updated June 13, 2022

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As of 12:01AM ET on June 12, 2022, CDC will no longer require air passengers traveling from a foreign country to the United States to show a negative COVID-19 viral test or documentation of recovery from COVID-19 before they board their flight. For more information, see Rescission: Requirement for Negative Pre-Departure COVID-19 Test Result or Documentation of Recovery from COVID-19 for all Airline or Other Aircraft Passengers Arriving into the United States from Any Foreign Country.

As a result of a court order, effective immediately and as of April 18, 2022, CDC’s January 29, 2021 Order requiring masks on public transportation conveyances and at transportation hubs is no longer in effect. Therefore, CDC will not enforce the Order. CDC continues to recommend that people wear masks in indoor public transportation settings at this time.

On This Page

Before You Leave the United StatesDuring TravelBefore Traveling to the United StatesAfter Arrival in the United States

What You Need to Know
Make sure you are up to date with your COVID-19 vaccines before you travel internationally.
Check your destination’s COVID-19 situation and travel requirements before traveling. Countries may have their own entry and exit requirements.
Before boarding a flight to the United States, consider getting tested for current infection with a viral test as close to the time of departure as possible (no more than 3 days) before travel.
Wearing a mask over your nose and mouth is recommended in indoor areas of public transportation (including airplanes) and indoors in U.S. transportation hubs (including airports).

Non-U.S. Citizen, Non-U.S. ImmigrantsIf you are a non-U.S. citizen, non-U.S. immigrant (not a U.S. citizen, U.S. national, lawful permanent resident, or immigrant) traveling to the United States, visit Non-U.S. Citizen, Non-U.S. Immigrants: Travel to and from the United States for requirements before boarding a flight to the United States.

Travel Assessment
A tool to help you know the requirements to board a flight to the United States.

Get Started

Before You Leave the United States
Make sure you are up to date with your COVID-19 vaccines before you travel internationally. Getting vaccinated is still the best way to protect yourself from severe disease and slow the spread of COVID-19. People who are not up to date with their COVID-19 vaccines should follow additional recommendations after travel.
Make sure to plan ahead:

Check the current COVID-19 situation at your destination.
Follow all requirements of transportation operators (such as airlines, cruise lines, buses) as well as any requirements at your destination, whether traveling by air, land, or sea, including mask wearing, proof of vaccination, testing, or quarantine. Requirements may differ from U.S. requirements. If you do not follow your destination’s requirements, you may be denied entry and required to return to the United States.
If you have a medical condition or are taking medication that weakens your immune system, you might NOT be fully protected even if you are up to date with your COVID-19 vaccines. Talk to your healthcare provider about your risk before travel and consider delaying travel to areas with high COVID-19 levels. Even after vaccination, you may need to continue taking all precautions.

Testing
   RECOMMENDED

Consider getting tested for current infection with a viral test as close to the time of departure as possible (no more than 3 days) before travel.

Find a U.S. COVID-19 testing location near you.

Do NOT travel if…

You have COVID-19 symptoms, even if you recovered from COVID-19 within the past 90 days or are up to date with your COVID-19 vaccines.
You tested positive for COVID-19.

Do not travel until a full 10 days after your symptoms started or the date your positive test was taken if you had no symptoms.

You are waiting for results of a COVID-19 test.

If your test comes back positive while you are at your destination, you will need to isolate and postpone your return until it’s safe for you to travel. Your travel companions may need to quarantine.

You had close contact with a person with COVID-19 and are recommended to quarantine.

Do not travel until a full 5 days after your last close contact with the person with COVID-19. It is best to avoid travel for a full 10 days after your last exposure.
If you must travel during days 6 through 10 after your last exposure:

Get tested at least 5 days after your last close contact. Make sure your test result is negative and you remain without symptoms before traveling. If you don’t get tested, avoid travel until a full 10 days after your last close contact with a person with COVID-19.
Properly wear a well-fitting mask when you are around others for the entire duration of travel during days 6 through 10. If you are unable to wear a mask, you should not travel during days 6 through 10.

If you had close contact with a person with COVID-19 but are NOT recommended to quarantine…

Get tested at least 5 days after your last close contact. Make sure your test result is negative and you remain without symptoms before traveling.

If you had confirmed COVID-19 within the past 90 days, you do NOT need to get tested, but you should still follow all other recommendations (including getting tested if you develop COVID-19 symptoms).

If you travel during the 10 days after your last exposure, properly wear a well-fitting mask when you are around others for the entire duration of travel during the 10 days. If you are unable to wear a mask, you should not travel during the 10 days.

Top of PageDuring Travel
Protect Yourself and Others
   RECOMMENDED

Everyone aged 2 years or older—including passengers and workers— should properly wear a well-fitting mask or respirator in indoor areas of public transportation (such as airplanes, trains, buses, ferries) and transportation hubs (such as airports, stations, and seaports), especially in locations that are crowded or poorly ventilated such as airport jetways.
Travelers 2 years of age or older should wear well-fitting masks in indoor public places if

They are in an area where there is a high level of COVID-19
They or someone they live with has a weakened immune system or is at increased risk for severe disease.

Some masks and respirators offer higher levels of protection than others, and some may be harder to tolerate or wear consistently than others. Wear the most protective mask you can, that fits well, and that you will wear consistently while traveling.
You may choose to properly wear a well-fitting mask outdoors in crowded settings and for activities with close contact with others, particularly if you or someone you live with has a weakened immune system or is at increased risk for severe disease.
Wash your hands often with soap and water or use hand sanitizer with at least 60% alcohol.
Follow all recommendations and requirements at your destination,
Follow recommendations for protecting yourself and others.

Top of PageBefore Traveling to the United States
Land TravelFor information about COVID-19 requirements for land travel, visit the U.S. Department of Homeland Security’s Fact Sheet: Guidance for Travelers to Enter the U.S. at Land Ports of Entry and Ferry Terminals.
Contact Information – ALL Travelers
   REQUIRED
All air passengers to the United States will be required to provide contact information to airlines before boarding flights to the United States. This strengthens a travel process already in place to rapidly identify and contact people in the U.S. who may have been exposed to a communicable disease, such as COVID-19. Access to travelers’ contact information will allow U.S. federal, state, and local health departments, and agencies to share appropriate health and public health information necessary to help keep the public safe.
Testing – ALL Travelers
   RECOMMENDED
Before boarding a flight to the United States, consider getting tested for current infection with a viral test as close to the time of departure as possible (no more than 3 days) before travel.
Top of PageAfter Arrival in the United States
You might have been exposed to COVID-19 on your travels, whether you traveled by air, land, or sea. You might feel well and not have any symptoms, but you can still be infected and spread the virus to others. For this reason, CDC recommends the following:
If You Are NOT Up to Date with your COVID-19 Vaccines
   RECOMMENDED

Stay home and self-quarantine for a full 5 days after travel.
Follow additional recommendations below for ALL travelers.

ALL Travelers (Regardless of Vaccination Status)
   RECOMMENDED

Get tested for current infection with a COVID-19 viral test 3-5 days after arrival.

Find a U.S. COVID-19 testing location near you.

Self-monitor for COVID-19 symptoms; isolate and get tested if you develop symptoms.
Follow all state, tribal, local, and territorial, recommendations or requirements after arrival.

If Your Test Result is Positive or You Develop COVID-19 Symptoms
Isolate yourself to protect others from getting infected. Learn what to do and when it is safe to be around others.
If You Recovered from COVID-19 Recently
If you recovered from a documented COVID-19 infection within the past 90 days (regardless of vaccination status), you do NOT need to get a test 3-5 days after arrival. You also do not need to self-quarantine after arrival. If you develop COVID-19 symptoms after arrival, isolate and immediately get tested. Continue to isolate until you know the results. Wear a well-fitting mask around others.

If You Are NOT Up to Date with your COVID-19 Vaccines

   RECOMMENDED

Stay home and self-quarantine for a full 5 days after travel.
Follow additional recommendations below for ALL travelers.

ALL Travelers (Regardless of Vaccination Status)

   RECOMMENDED

Get tested for current infection with a COVID-19 viral test 3-5 days after arrival.

Find a U.S. COVID-19 testing location near you.

Self-monitor for COVID-19 symptoms; isolate and get tested if you develop symptoms.
Follow all state, tribal, local, and territorial, recommendations or requirements after arrival.

If You Recovered from COVID-19 Recently

If you recovered from a documented COVID-19 infection within the past 90 days (regardless of vaccination status), you do NOT need to get a test 3-5 days after arrival. You also do not need to self-quarantine after arrival. If you develop COVID-19 symptoms after arrival, isolate and immediately get tested. Continue to isolate until you know the results. Wear a well-fitting mask around others.

If Your Test Result is Positive or You Develop COVID-19 Symptoms
Isolate yourself to protect others from getting infected. Learn what to do and when it is safe to be around others.

More Information
Frequently Asked Questions about Travel and COVID-19
COVID-19 Travel Recommendations by Destination
Health Information for International Destinations
Domestic Travel During COVID-19
US State Department Travel Site: Safety and security information by country, passport, visas, and entry/exit requirements
US Customs and Border Protection: Information about what you can and cannot bring back from your trip abroad
US Embassies: In-country contacts
Transportation Security Administration (TSA): Information about flying

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Last Updated June 13, 2022 Content source: National Center for Immunization and Respiratory Diseases (NCIRD), Division of Viral Diseases

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