2021年10月2日土曜日

マスク着用義務がない場合、着用義務のある学校の感染急増発生率は3.5倍、こどもの感染率は約2倍だ、と。

みほちゃん(fully vaccinated) Retweeted

 Schools with universal masking were 3.5 times less likely to have a COVID-19 outbreak and saw rates of child COVID-19 cases 50 percent lower in their counties compared with schools without mask requirements.



0 件のコメント:

コメントを投稿