A traveler tested negative for covid-19 before a flight. He had the virus and infected 4 passengers.

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 4 years ago

https://www.msn.com/en-us/news/world/a-traveler-tested-negative-for-covid-19-before-a-flight-he-had-the-virus-and-infected-4-passengers/ar-BB1bdz0N?ocid=msedgntp