"Those were flights with higher risk, and yet there was no transmission," Freedman says.
In fact, since airlines have started to require masks, Freedman says, scientists have not documented one superspreading event on airlines."Flights that had significant transmission documented were flights early on in the pandemic." Why? Planes have excellent air ventilation and filtration systems, which remove coronavirus particles from the air about every six minutes, the U.S. Transportation Command"So the only opportunity to breathe the virus in comes from the air that passes by you before it goes through that ventilation system," says engineer Linsey Marr at Virginia Tech."And so that's only going to happen if you're sitting close to the person who's sick.
Also remember to disinfect surfaces around your seat, such as the armrests, tray tables and seat backs. You can use hand sanitizer or bleach wipes, and try to do it regularly throughout the flight. Avoid touching your face as much as possible, Marr says. And keep chatter to a minimum. When you talk, you can emit 10 times the droplets and aerosols that you do when you're quiet.
The study is lame w/o comparison to airplanes with no-mask passengers in the same period, if you want to call it an evidence.
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