是不是帶病毒的人在有症狀之前不傳染?

所有跟帖: 

Based on online info, the virus can spread to others 2 to 3 days -kathyzh- 給 kathyzh 發送悄悄話 kathyzh 的博客首頁 (397 bytes) () 10/04/2020 postreply 05:20:50

請您先登陸,再發跟帖!