Bird Flu Virus Mutation in First U.S. Severe Human Case May Increase Transmission in People
The virus in the first severe human bird flu case in the U.S. was found to have mutated. Follow Newsweek's live blog for ...
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Bird Flu Update: CDC Says It's Searching for These Pandemic Red Flags
The first severe human bird flu case in the United States was reported in Louisiana earlier this month. Genetic analysis found the virus had mutated, making it more easily transmissible to humans ...