20/06/29 08:56:49.68 leB+HlG70.net
>>464
さっきも書いてるが屋外は感染率が極端に下がる
URLリンク(news.yahoo.co.jp)
The odds that a primary case transmitted COVID-19 in a closed environment was 18.7 times
greater compared to an open-air environment (95% confidence interval[CI]: 6.0, 57.9).
(閉鎖環境で初感染者がCOVID-19を感染させた確率は、屋外環境と比較して18.7倍高かった(95%信頼区間[CI]:6.0、57.9))