For anyone who has recently recovered from a COVID-19 infection and requires a letter to document their recovery for travel. Additional information below.Intended for patients without active symptoms of COVID-19 who require a COVID-19 recovery letter for employment, travel, or other concerns. Official Document of Recovery from COVID-19. Allows travel to the US with a Positive viral COVID-19 test result. Passenger details (e.g. If you've recently recovered from Covid19 and need to travel, here's what you'll need to cross international borders without new testing. My understanding is that people who have had COVID19 and recovered can continue to test positive for some time, up to several months. You all need a negative viral test 72 hours in advance plus vax certificate. The County occupies the easternmost portion of Long Island, in the southeastern portion of New York State.