Prognosis

New Flu Variant Spreads While Vaccination Rates Fall

An H3N2 offshoot known as “subclade K.”
Photographer: milorad kravic/E+/Getty Images
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Hi, it’s Jason in Melbourne. It’s warming up here, but the northern hemisphere is sliding into flu season, and the early signals aren’t pretty. More on that in a moment, but first ...

Flu activity in the US remains low for now, but it’s starting to climb. The latest FluView report from the Centers for Disease Control and Prevention shows a steady uptick in test positivity and hospital admissions.