A fourth farm worker has been infected with bird flu in the growing outbreak linked to dairy cows, health officials reported Wednesday. The worker had direct contact with infected dairy cows on a ...

Bird flu cases are increasing, and a new review suggests the virus might spread between people without causing symptoms. But with limited surveillance and major gaps in data and reporting, the scope ...

While the Highly Pathogenic Avian Influenza continues to pop up around Michigan and infecting poultry farms, the strain that ...