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  1. Bird flu virus likely mutated within Louisiana patient who became …

  2. CDC Confirms First Severe Case of H5N1 Bird Flu in the United …

  3. Bird flu virus likely mutated within a Louisiana patient, CDC says

  4. Genetic Sequences of Highly Pathogenic Avian Influenza A(H5N1) …

  5. Bird flu virus likely mutated within a Louisiana patient, CDC says

  6. H5N1 virus in Louisiana bird flu patient shows mutations that …

  7. America’s first severe case of bird flu confirmed in Louisiana

  8. Bird Flu Samples From Very Ill Patient Had ‘Concerning’ Mutations

  9. U.S. reports first severe human case of bird flu - NBC News

  10. Patient Hospitalized in Louisiana With First U.S. Case of Severe Bird Flu

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