CNNのインスタグラム(cnn) - 10月29日 09時01分
Ventilation systems on airplanes filter out 99% of airborne viruses, according to a Harvard University study released Tuesday. If passengers follow mask protocols, their study says, flying is safer than grocery shopping or eating out at a restaurant. Tap the link in our bio for more on their findings.
(📸: Bruce Bennett/Getty Images)
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