Exclusive reporting reveals how the United States lost track of a virus that could cause the next pandemic. Problems like the ...

Reports that cows have been infected despite farmers' preventive measures indicate there are multiple routes of transmission ...

The H5N1 avian influenza virus has been spreading through US dairy cattle herds since March, affecting at least 16 states.

California officials have declared a state of emergency over the spread of bird flu, which is tearing through dairy cows in that state and causing sporadic illnesses in people in the U.S. That raises ...

Bird flu infections are increasing in humans and animals. Learn about the risks, transmission methods, and safety measures to ...

Google searches for bird flu symptoms shot up 500%, with bird flu topping all trending “symptoms” searches, according to the ...

A person was hospitalized with a severe case of bird flu in Louisiana, according to the Centers for Disease Control and ...

The Centers for Disease Control and Prevention (CDC) has confirmed the first case of severe bird flu in the United States.

The virus has spread rapidly in California, the nation’s largest producer of milk. Farmers are frustrated that their herds ...

Gov. Gavin Newsom declared a state of emergency on Wed. in response to the bird flu outbreak affecting dairy herds. Find out more about the rising cases, its symptoms, and other details below.

California declared a state of emergency after dozens of cases were reported there since April. But the CDC says the risk to the public remains low.