H5N1 bird flu has now crossed into U.S. dairy cattle for the first time, and alarmingly, it did so through just one spillover ...

FRIDAY, April 25, 2025 (HealthDay News) -- On Tuesday, the U.S. Department of Health and Human Services announced that the ...

A recent study has confirmed that the spread of avian influenza (H5N1) in U.S. dairy cattle began with just one wild bird infection. This event, traced back to Texas in 2023, led to undetected ...