有文章说BA.4和BA.5 传染性更强，同时更容易感染肺部细胞。。。

来源: 于 2022-06-21 19:18:59 [旧帖] [给我悄悄话] 本文已被阅读：次

Sato’s team also found that BA.4 and BA.5 replicated more readily in human lung cells and caused more severe disease in hamsters than BA.2