Yahoo Web Search

Search results

    • How a Texas veterinarian helped crack the mystery of bird flu in cows

      St. Louis Post-Dispatch· 2 hours ago

      The first calls that Dr. Barb Petersen received in early March were from dairy owners worried about crows, pigeons and other birds dying on their Texas farms. It was the first proof that the bird flu, known as Type A H5N1, could infect cows.