0692名無しのアビガン(東京都) (ワッチョイW dfb0-xOY+)
2021/01/10(日) 12:11:47.20ID:Kq9/gNGR0https://science.sciencemag.org/content/early/2020/12/15/science.abd9338
> Closing all educational institutions, limiting gatherings to 10 people or less, and closing face-to-face businesses each reduced transmission considerably. The additional effect of stay-at-home orders was comparatively small.