A single passenger spread Covid-19 to 15 other people aboard a flight from London to Hanoi, Vietnam, according to a study published Friday by the Centers for Disease Control and Prevention.

"As long as Covid-19 presents a global pandemic threat in the absence of a good point-of-care-test, better on-board infection prevention measures and arrival screening procedures are needed to make flying safe."

https://www.nbcnews.com/news/us-news/single-p...s-n1240607