Before you arrive in the United States:
All air passengers coming to the United States, including U.S. citizens and fully vaccinated people, are required to have a negative COVID-19 test result no more than 3 days before travel or documentation of recovery from COVID-19 in the past 3 months before they board a flight to the United States.
Get tested with a viral test 3-5 days after travel.
Self-monitor for COVID-19 symptoms; isolate and get tested if you develop symptoms.
Follow all state and local recommendations or requirements after travel.