Preflight Covid-19 testing is on the rise — the question is whether it works
Can preflight testing get people flying again?
A preflight test, even when given at the security checkpoint, is not a foolproof protocol to prevent the spread of Covid-19.In August, Iceland revised its policy. It now requires two Covid-19 tests — one upon arrival and another five days later — with mandatory quarantining in between. Starting Oct. 15, American Airlines' passengers traveling from Dallas-Fort Worth International Airport to Hawaii and Costa Rica can take Covid-19 tests at one of three places: the airport, local urgent care facilities or at home via a virtual meeting with a medical professional.Rapid antigen tests can solve the timing problem, but "they can result in 20% to 40% false negatives," said Gulick.
Robinson said every person infected with Covid-19 has an incubation period when the virus can't yet be detected by tests. The average is four to seven days, but it can run as long as 14 days in some people, she said.
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