What are the new BQ.1 and BQ.1.1 coronavirus variants, and why it matters

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What are the new BQ.1 and BQ.1.1 coronavirus variants, and why it matters

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BQ.1 and BQ.1.1 are among the more than 300 sublineages of the Omicron variant circulating globally, 95% of which are direct descendants of BA.5, according to the World Health Organization.

In early July, BA.5 became the dominant subvariant of the coronavirus circulating in the United States, but in October it started giving way to BQ.1 and BQ.1.1. read more

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