New Covid Variant BA.4.6 Outcompeting Dominant BA.5 Across S

来源: 于 2022-08-30 18:28:29 [旧帖] [给我悄悄话] 本文已被阅读：次

New Covid Variant BA.4.6 Outcompeting Dominant BA.5 Across Swath Of U.S. For First Time

https://www.yahoo.com/entertainment/covid-variant-ba-4-6-223751312.html?