This year’s flu season is shaping up to be a nasty one—driven by a new variant of the influenza virus that may be able to slip past our vaccine defenses. A mutated form of the influenza A strain H3N2 ...
A mutated strain of the influenza A H3N2 virus is driving a sharp rise in flu cases across the United States, worrying doctors as winter approaches. Health experts say this new variant, known as ...
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