CDC reports first severe U.S. bird flu case; rare mutations in virus strain raise concerns.
The CDC has reported the first severe case of bird flu in the U.S., involving a Louisiana resident over 65. The patient's strain, D1.1 genotype, shows rare mutations not seen in infected backyard birds, potentially allowing the virus to bind better to human cells. The risk to the public remains low, and no transmission to others has been detected.
3 months ago
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