Scott Gottlieb博士（元FDA長官）

コロナは飛沫感染でなく、空気感染なので、布マスクが役に立たない。

"This is an airborne illness, we now understand that, and a cloth mask is not going to protect you from a virus that spreads through airborne transmission."

https://twitter.com/You3_JP/status/1478200878217986049?s=20&t=azHKUFtZswtpw7OoxJLuRg