Travelers to the U.S. Require Proof of Vaccination January 27, 2022 Update January 27, 2022 The negative result to a COVID-19 test must be taken not more than one (1) calendar day before departure. Arriving by Air Nonimmigrants traveling to the United States by air are required to have proof of: full vaccination against COVID-19 with a vaccine approved by WHO (World Health Organization) for emergency use. a negative result to a COVID-19 test taken no more than 1 day before departure. Complete the CDC Vaccine Travel Assessment to confirm you have what you need. Documentation is checked pre-departure by airlines. COVID-19 travel restrictions by geographical area that applied to 33 countries are no longer in effect by Presidential Proclamation. Arriving by Land and Ferry Landings Requirements also went into effect on November 8, 2021 for travelers entering the U.S at land ports of entry (POEs) and ferry terminals. Nonimmigrant travelers should be prepared to: provide proof of an approved COVID-19 vaccination as outlined on the CDC website. verbally attest to their travel intent and COVID-19 vaccination status during a border inspection. Additional Information: State Department FAQs on COVID-19 Vaccinations and Testing for International Travel CDC Information on Air Travel to the United States DHS FAQs: Guidance for Travelers to Enter the U.S.