Bird Flu Sample from Chilean Man Showed Some Signs of Adaptation to Mammals
These changes were unlikely to be enough to allow the virus to spread easily among humans, and the health risk to the public remains low, experts said.
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“We understand them to be a step on the path to adaptation to humans and increased risk to humans,” said Anice C. Lowen, an influenza virologist at Emory University. “So certainly it’s concerning to see them.”
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“Those genetic changes have been seen previously with past H5N1 infections, and have not resulted in spread between people,” Vivien Dugan, acting director of the influenza division at the C.D.C.’s National Center for Immunization and Respiratory Diseases, said in a statement.
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Please see:
Chile - Ministry of Health reports the 1st case of H5N1 bird flu in a human - March 29, 2023
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