Subvariant of Omicron could be more contagious
chinadaily.com.cn | Updated: 2022-02-22 09:02
As several states in the US lift their COVID-19 restrictions, scientists and health experts are warning of an even more contagious subvariant of Omicron called BA.2.
Health experts are keeping a close eye on BA.2, as it spreading through the US.
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