Omicron boosters are weaker against BQ.1.1 subvariant that is rising in U.S., study finds

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Omicron boosters are weaker against BQ.1.1 subvariant that is rising in U.S., study finds

Omicron boosters are weaker against BQ.1.1 subvariant that is rising in U.S., study finds

Covid shots designed to protect against the omicron variant trigger a weaker immune response against the rapidly emerging BQ.1.1 subvariant than the previously dominant strain, according to a new lab study.

Scientists at the University of Texas Medical Branch, in a study published online Tuesday in Nature Medicine, found that the booster shots performed well against the BA.5 subvariant they were designed to target.

 

But the boosters did not trigger a robust response when faced with BQ.1.1, the scientists found. ....

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