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Our fall COVID boosters will likely be a monovalent XBB formula (arstechnica.com)

submitted 2 years ago by jay@beehaw.org to c/news@beehaw.org

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[–] jay@beehaw.org 6 points 2 years ago

I think it's just that the bivalent booster was targeting (a) an extinct variant and (b) a different Omicron subvariant. This will target some form of Omicron XBB, I think, which has been the dominant strain for months now.