U.S. regulators estimated BQ.1 and closely related BQ.1.1 accounted for 16.6% of COVID variants in the country, nearly doubling from last week, as Europe expects them to become dominant in a month.
The word "COVID-19" is reflected in a drop on a syringe needle in this illustration taken November 9, 2020. REUTERS/Dado Ruvic/Illustration/File PhotoOct 21 - U.S. health regulators on Friday estimated that BQ.1 and closely related BQ.1.1 accounted for 16.6% of coronavirus variants in the country, nearly doubling from last week, while Europe expects them to become the dominant variants in a month.
The two variants are descendants of Omicron's BA.5 subvariant, which is the dominant form of the coronavirus in the United States. Regulators in Europe and the U.S. have recently authorized vaccine boosters that target it.There is no evidence yet that BQ.1 is linked with increased severity compared with the circulating Omicron variants BA.4 and BA.5, European officials said, but warned it may evade some immune protection, citing laboratory studies in Asia.
In the U.S., weekly cases have been falling recently, according to data from the U.S. Centers for Disease Control and Prevention .
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