1. How annual bird migration could spread avian flu | REUTERS Reuters
  2. US reports second human case of bird flu in Michigan farmworker Mint
  3. US Reports Second Human Case Of Bird Flu Tied To Dairy Cow Outbreak NDTV
  4. Two people contract bird flu from cows in United States - Here's what you need to know The Financial Express
  5. US reports second human case of bird flu ThePrint

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