The traveler, who tested negative for the coronavirus with a polymerase chain reaction (PCR) test within 48 hours of the flight, was contagious but pre-symptomatic onboard the plane, and infected at least four other passengers. In total there were seven cases linked to the flight, which had 86 passengers onboard. Of the seven infected individuals, five had tested negative within 48 hours before the flight. “These seven cases were found to have been seated within four rows of each other during the approximately 18-hour flight,” the study states. “Recent studies have presented conflicting findings of the risks associated with in-flight transmission.

Source: Washington Post November 20, 2020 22:07 UTC