How CDC determines the level of a destination's COVID-19 travel health advisory · Arrival Notices. Mexico · United Kingdom · Italy · Canada. As the COVID-19 situation changes around the world, CDC is monitoring the risk of COVID-19 in destinations around the world and making travel recommendations. A tool that will help you learn about the requirements to board a flight to the United States.
Complete list of COVID-19 travel health advisories Interactive global map of COVID-19 travel recommendations For more information on levels of health advisories for COVID-19 related travel, visit How CDC determines the level of travel health advisories National, resident permanent legal or traveling to the United States on an immigrant visa), you must show proof that you are fully vaccinated against COVID-19 before flying to the United States from a foreign country. Travelers who have recovered from COVID-19 in the past 90 days don't need to be tested before or after the trip. CDC uses travel health advisories (THN) to alert travelers and other audiences to health threats around the world and to advise them on how to protect themselves. Health advisories for travel levels 1 to 3 for destinations with a population of 100,000 people or less.