Effectiveness of Face Masks in Preventing Airborne Transmission of SARS-CoV-2

Hiroshi Ueki, Yuri Furusawa, Kiyoko Iwatsuki‐Horimoto, Masaki Imai, Hiroki Kabata(Keio University), Hidekazu Nishimura(Sendai Medical Center), Yoshihiro Kawaoka(University of Wisconsin–Madison)
mSphere
October 20, 2020
Cited by 445Open Access
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Abstract

Airborne simulation experiments showed that cotton masks, surgical masks, and N95 masks provide some protection from the transmission of infective SARS-CoV-2 droplets/aerosols; however, medical masks (surgical masks and even N95 masks) could not completely block the transmission of virus droplets/aerosols even when sealed.


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