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CDC reports first severe human case of bird flu in U.S.
CDC: Bird flu virus shows mutations in first severe human case
First Severe Human Bird Flu Case in the U.S. Shows Rare Mutations, CDC Reports
CDC releases new report on bird flu mutations in humans
CDC confirms first severe human case of bird flu in U.S.
CDC reports 1st human case of bird flu infection in US
Bird flu virus shows mutations in first severe human case in US, CDC says
CDC Confirms 1st Severe BirdFlu Case in US: What You Need to Know!
CDC confirms 1st case of severe bird flu in US
Testing reveals bird flu virus mutated in person with severe case in Louisiana
First Severe Human Case of Bird Flu in U.S. Reveals 'Concerning' Mutation, CDC Warns
First Severe Human Bird Flu Case in U.S. - Louisiana Patient in Critical Condition
