ウイルスの致死性または伝染能力が強すぎる More evidence suggests COVID-19 was in US by Christmas 2019NEW YORK (AP) — A new analysis of blood samples from 24,000 Americans taken early last year is the latest and largest study to suggest that the new coronavirus popped up in the U.S…apnews.com COVID-19が2019年のクリスマスまでに米国に出現したというさらなる証拠
More evidence suggests COVID-19 was in US by Christmas 2019NEW YORK (AP) — A new analysis of blood samples from 24,000 Americans taken early last year is the latest and largest study to suggest that the new coronavirus popped up in the U.S…apnews.com
