https://ja.wikipedia.org/wiki/重症急性呼吸器症候群 SARS(重症急性呼吸器症候群)とは https://www.niid.go.jp/niid/ja/diseases/alphabet/rs-virus/392-encyclopedia/414-sars-intro.html 関連† MERS COVID-19 Link: Plague COVID-19 MERS