Data suggests this season's vaccines were less effective for some children, but the composition change should address that. Meanwhile, the CDC says that although influenza activity is still elevated, this flu season appears to have peaked. [KFF Health News]

CIDRAP: WHO Advisers Swap Out H3N2 Strains For Next Northern Hemisphere Flu VaccinesThe World Health Organization (WHO) today announced its advisory committee’s recommendations on strains to include for the Northern Hemisphere’s 2025-26 flu season, which swap out the H3N2 components but keep the current 2009 H1N1 and influenza B strains the same. The three strains recommended for the trivalent vaccine are also the same as those recommended for the Southern Hemisphere’s 2025 season vaccine, which the group weighed in on at its meetings in September 2024. (Schnirring, 2/28)

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