All travelers age 12 or over entering Greece are required to present a negative molecular test result (PCR test) for COVID-19, performed up to 72 hours before their entry to Greece, or a negative antigen (rapid) test result performed up to 48 hours before their entry to Greece.

Do fully vaccinated travelers need to get tested for COVID-19 after international travel?

• Fully vaccinated international travelers arriving in the United States are still recommended to get a SARS-CoV-2 viral test 3-5 days after travel.
• Fully vaccinated travelers do not need to self-quarantine in the United States following international travel.

What should I do if am overseas and I can't get tested before my flight during the COVID-19 pandemic?

Passengers should contact the airline regarding options for changing their departure date to allow time for a test, see if the airline has identified options for testing, or if there are options available for changing their flights to transit through a location where they can get tested before boarding their final flight to the United States.

Are you required to get a COVID-19 test to fly back to the U.S.?

Air passengers traveling to the US are required to present a negative COVID-19 test result or documentation of recovery. Airlines must confirm the negative test result or documentation of recovery for all passengers before boarding.

Do I need a COVID-19 negative test if am travelling between US states but transit through a foreign country?

If you booked an itinerary from a US state or territory to another US state or territory and the itinerary has you taking a connecting flight through a foreign country, you do not need to be tested. An example of this situation is an itinerary booked between the Northern Mariana Islands (a US territory) and the US mainland via Japan.

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Do I need to be tested for COVID-19 before or after traveling in the USA if I have been vaccinated?

• If you travel in the United States, you do not need to get tested before or after travel or self-quarantine after travel.

What are the requirements for entering the US through air travel during the COVID-19 pandemic?

Air passengers traveling to the US are required to present a negative COVID-19 test result or documentation of recovery. Airlines must confirm the negative test result or documentation of recovery for all passengers before boarding.

What type of covid test is required for travelling to the United States?

The test must be a SARS-CoV-2 viral test (nucleic acid amplification test [NAAT] or antigen test) with Emergency Use Authorization (EUA) from the U.S. Food and Drug Administration (FDA).

Can I get an exemption or waiver to the COVID-19 testing requirement?

Exemptions may be granted on an extremely limited basis when emergency travel (like an emergency medical evacuation) must occur to preserve someone’s life, health against a serious danger, or physical safety and testing cannot be completed before travel.

Can I travel internationally during the COVID-19 pandemic?

CDC recommends delaying international travel until you are fully vaccinated.

What happens if I don’t take a test and want to travel to the US?

Air passengers traveling to the US are required to present a negative COVID-19 test result or documentation of recovery. Airlines must confirm the negative test result or documentation of recovery for all passengers before boarding.

Can an airline deny boarding a passenger if they don't have a negative COVID-19 test?

Airlines must confirm the negative test result for all passengers or documentation of recovery before they board. If a passenger does not provide documentation of a negative test or recovery, or chooses not to take a test, the airline must deny boarding to the passenger.

Is there a test for COVID-19?

Yes, the FDA has issued Emergency Use Authorizations (EUAs) for different types of COVID-19 tests. Some tests are used to diagnose the virus that causes COVID-19 infection whereas other tests are used to detect a recent or prior COVID-19 infection.

Should vaccinated people get tested for COVID-19?

People who are fully vaccinated should get tested 3-5 days after coming into close contact with someone with COVID-19 and wear a mask indoors in public for 14 days or until they test negative. If symptoms develop, they should isolate and get tested immediately.

Can I travel internationally during the COVID-19 pandemic if I am fully vaccinated?

Fully vaccinated travelers are less likely to get and spread COVID-19. However, international travel poses additional risks, and even fully vaccinated travelers might be at increased risk for getting and possibly spreading some COVID-19 variants.

Can you still spread COVID-19 if you have the vaccine?

Vaccinated People Can Transmit the Coronavirus, but It's Still More Likely If You're Unvaccinated. COVID-19 vaccines continue to protect against severe illness but do not entirely block transmission. Fully vaccinated people are also less likely to contract the coronavirus than unvaccinated people.

Under which circumstances are people not required to wear a face mask during the COVID-19 pandemic?

• while eating, drinking, or taking medication for brief periods of time;
• while communicating, for brief periods of time, with a person who is hearing impaired when the ability to see the mouth is essential for communication;
• if, on an aircraft, wearing of oxygen masks is needed because of loss of cabin pressure or other event affecting aircraft ventilation;
• if unconscious (for reasons other than sleeping), incapacitated, unable to be awakened, or otherwise unable to remove the mask without assistance; or
• when necessary to temporarily remove the mask to verify one’s identity such as during Transportation Security Administration (TSA) screening or when asked to do so by the ticket or gate agent or any law enforcement official.

Who should not get the Moderna COVID-19 vaccine?

If you have had a severe allergic reaction (anaphylaxis) or an immediate allergic reaction, even if it was not severe, to any ingredient in an mRNA COVID-19 vaccine (such as polyethylene glycol), you should not get an mRNA COVID-19 vaccine.

What should I do if I have a severe allergic reaction to the COVID-19 vaccine?

If you get a COVID-19 vaccine and you think you might be having a severe allergic reaction after leaving the vaccination site, seek immediate medical care by calling 911.

What are the different types of COVID-19 tests?

1. A diagnostic test can show if you have an active coronavirus infection and should take steps to quarantine or isolate yourself from others. Currently there are two types of diagnostic tests – molecular (RT-PCR) tests that detect the virus’s genetic material, and antigen tests that detect specific proteins on the surface of the virus. Samples are typically collected with a nasal or throat swab, or saliva collected by spitting into a tube.

2. An antibody test looks for antibodies that are made by the immune system in response to a threat, such as a specific virus. Antibodies can help fight infections. Antibodies can take several days or weeks to develop after you have an infection and may stay in your blood for several weeks after recovery. Because of this, antibody tests should not be used to diagnose an active coronavirus infection.

What is a NAAT COVID-19 test?

A Nucleic Acid Amplification Test, or NAAT, is a type of viral diagnostic test for SARS-CoV-2, the virus that causes COVID-19. NAATs detect genetic material (nucleic acids).

Is the PCR test for COVID-19 accurate?

PCR tests remain the gold standard for detecting an active COVID-19 infection. The tests have accurately detected COVID-19 cases since the pandemic began. Highly trained clinical professionals are skilled at correctly interpreting PCR test results and notices like this one from the WHO.

What quarantine exemptions are available for airline passengers during the COVID-19 pandemic?

Exemptions may be granted on an extremely limited basis when emergency travel (like an emergency medical evacuation) must occur to preserve someone's life, health against a serious danger, or physical safety and testing cannot be completed before travel.

Does the COVID-19 negative test order apply to land border crossings?

No, the requirements of this Order only apply to air travel into the US.

Do the requirements of the COVID-19 negative test order apply to diplomats and special visa holders?

Diplomats and special visa holders are not exempt from this Order.