A new potentially severe flu variant is spreading rapidly across the U.S.

WBUR | By Here & Now Newsroom

Published December 30, 2025 at 8:58 AM PST

A pharmacist prepares to administer a dose of seasonal flu vaccine to a patient at a CVS Pharmacy in Miami, Florida on Sept. 9, 2025. (Rebecca Blackwell/AP)

The strain of influenza known as subclade K is fueling a surge in cases and putting extra pressure on hospitals.

Here & Now‘s Robin Young speaks with Dr. Neil Maniar, professor of public health practice at Northeastern University.

This article was originally published on WBUR.org.

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A new potentially severe flu variant is spreading rapidly across the U.S.

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