Syringe with Covid-19 vaccine against XBB variant. Fight against the virus Covid-19 coronavirus, vaccination and immunization. undefined undefined | Istock | Getty Images U.S. Food and Drug Administration officials said Monday that updated Covid boosters for the upcoming fall-winter vaccination campaign should target XBB-omicron subvariants. The US should recommend a monovalent vaccine against XBB.1.5, XBB.1.16 …
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