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Is U.S. Prepared for Bird Flu’s Spread in Humans? One Expert Has Concerns

THURSDAY, Feb. 6, 2025 (HealthDay News) -- When it comes to the potential of H5N1 avian flu, otherwise known as bird flu, picking up mutations that might lead to human-to-human spread, that "train has already left the station," warns one infectious disease expert.

If and when bird flu -- already widespread in cattle, cats and other mammals -- gains the ability to transmit between people, the best Americans can hope for is to "control the speed of the train" with vaccines, masks and treatment, said Dr. Peter Chin-Hong. He's a professor of medicine at the University of San Francisco. 

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