というか

>the SARS–CoV-2 pandemic has contributed to shortages of both N95 and surgical masks, and cotton masks have gained interest as a substitute.
>Objective: To evaluate the effectiveness of surgical and cotton masks in filtering SARS–CoV-2.

ここまで書いてあんのにどうしてN95より高性能なP100なんて発想が出てくんだよ意味不明だわ

プラスチックは包装だろアホか