In early March, Dr. Barb Petersen, a large-animal vet in Texas, began getting calls from the dairy farms she works with in the Panhandle. Workers there were seeing a lot of cows with mastitis, an ...

Editor’s note (May 31st 2024): Since this piece was published a third farm worker has been identified with H5N1 On May 22nd America’s Centres for Disease Control and Prevention confirmed a new human ...

In order for something like that to happen, a cow infected with the bird flu virus would need to pick up a different flu strain from an infected human. Currently, human flu infections are low across ...

Researchers in the US and Denmark took on that task. Their findings, published as a preprint study, show that cows have the same receptors for flu viruses as humans and birds. Scientists fear that ...