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Flu Surges to 25-Year High as H3N2 ‘Subclade K’ Drives U.S. Wave

Early evidence suggests this season’s vaccine still offers meaningful protection against the drifted strain.

Drifted H3N2 Subclade K Drives Early Flu Surge as New York ER Visits Hit Decade High

Washington Reports First Human H5N5 Bird Flu Case Following Patient’s Death

Drifted H3N2 ‘Subclade K’ Drives Early U.S. Flu Uptick Before Holidays

Austin-Travis County Whooping Cough Cases Reach 154+, Up 58% Year Over Year

UKHSA Renews Stay-Home Advice as Stratus and Nimbus Drive UK Covid Uptick

Nimbus Variant Becomes Second-Most Common COVID-19 Strain in U.S.