CDC: some people may not develop antibodies.
所有跟帖:
• 得过任何病原体感染的疾病都会产生抗体!检测的时间不同,会有阴性结果!如果有一定阳性率,感染人数只会多不会少! -wudaniang- ♂ (0 bytes) () 06/06/2020 postreply 14:56:04
• CDC does not say so. -fourwaves- ♂ (0 bytes) () 06/06/2020 postreply 14:59:37
• 因为是常识! -wudaniang- ♂ (0 bytes) () 06/06/2020 postreply 15:38:28