Why omicron subvariant BA.5 is an important issue

Why omicron subvariant BA.5 is an important issue

Subvariant of omicron is the dominant one in the US, according to the CDC 1:49 (CNN) — Once again, covid-19 seems to be everywhere. If you feel that he took you by surprise, you are not the only one. After the omicron tsunami that swept through the United States in January and the smaller increase …

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