C.D.C. Confirms First Possible Community Transmission of Coronavirus in U.S. A case in California may be the first infection without a known link to travel abroad. https://www.google.com/amp/s/www.nytimes.com/2020/02/26/health/coronavirus-cdc-usa.amp.html NIKKIZENG 发表于 2/26/2020 9:22:12 PM
A case in California may be the first infection without a known link to travel abroad.
https://www.google.com/amp/s/www.nytimes.com/2020/02/26/health/coronavirus-cdc-usa.amp.html
感觉已经失控了，受到传染的没有症状也会传给其他人。