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  1. H5 Bird Flu: Current Situation | Bird Flu | CDC - Centers for …

  2. Bird Flu | Bird Flu | CDC - Centers for Disease Control and …

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

  4. CDC Reports Potentially Troublesome Mutations in Bird Flu

  5. CDC confirms 1st case of severe bird flu in US - ABC News

  6. CDC confirms first severe bird flu case in the U.S. - CBS News

  7. Bird flu leads to severe human illness and state of ... - Fox News

  8. California declares bird flu emergency. 1st severe human case

  9. First severe human case of bird flu in US: 'Concerning' mutation'

  10. News & Spotlights | Bird Flu | CDC - Centers for Disease Control …