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Bird flu patient had virus mutations, sparking concern about human spread The severely ill Louisiana patient had a different viral strain than nearby birds, CDC found.
Tiny genetic alterations could help the bird flu virus enter cells in the upper respiratory tract, the C.D.C. said. But there is no sign that mutations are widespread in nature.
H5N1 bird flu samples collected from a severely ill patient in Louisiana show signs of mutations that may make the virus more transmissible to humans, the Centers for Disease Control and ...
New versions of the H5N1 virus are increasingly adept at spreading. Suggestions to either let it rip in poultry or vaccinate the birds could backfire.
Bird flu mutations raise fears of a broader outbreak. Experts warn of inadequate testing by the CDC, which maintains the risk to humans “remains low.” ...
A new strain of bird flu has been detected on a duck farm in California. The World Organisation for Animal Health reported the outbreak of the new strain, H5N9, earlier this week.
The mutations seen in the patient are rare but have been reported in some cases in other countries and most often during severe infections. A test tube labeled ‘Bird Flu’ on display in front ...
A man in Chile is infected with a bird flu that has concerning mutations, according to a new lab analysis. But U.S. health officials said Friday, April 14, 2023, that the threat to people remains low.
The avian flu virus isolated from a hospitalized teenager in Vancouver has mutations in key areas that could help the virus spread more easily in humans, scientists say. CNN values your feedback 1.
The bird flu outbreak took several concerning turns this year, with the number of human cases up to at least 65. Experts outlined several indicators that the virus’ spread is going in the wrong ...
Bird flu virus taken from the sea animals contained 18 mutations that enabled it to infect and spread among mammals more easily, and enhanced the severity of the disease, the researchers found.
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