Flu is rising rapidly across the U.S., driven by a new variant of the virus — and cases are expected to keep growing with holiday travel. That variant, known as “subclade K,” led to early outbreaks in ...
The United States may be heading into its second severe flu season in a row, driven by a mutated strain called subclade K that’s behind early surges in the United Kingdom, Canada and Japan. Last ...
WASHINGTON — The flu is spreading rapidly across much of the United States this winter. Doctors say the flu can make people feel very sick and that symptoms often show up suddenly after someone is ...
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