Flu Season Kicks Off with New H3N2 Subclade K
A new H3N2 subclade K variant has been circulating since summer, with outbreaks in Canada, Japan, and the UK as flu season begins at the end of 2025.
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A new H3N2 subclade K variant has been circulating since summer, with outbreaks in Canada, Japan, and the UK as flu season begins at the end of 2025.
CDC reports a record 216 pediatric flu deaths this season, urging vaccination for better health amid high severity and vaccine gaps.