San Mateo County public health officials reported finding H5N1 bird flu in a pet cat and a backyard poultry flock.

For the first time since 1952, publication of the CDC's Morbidity and Mortality Weekly Report was halted. It returned on Feb.

Scientists are calling on the U.S. Centers for Disease Control and Prevention (CDC) to disclose data about the risks of ...

The CDC's Morbidity and Mortality Weekly Report ( MMWR) resumed publishing after an unprecedented 2-week hiatus, but without ...

Two state health departments have issued new guidance on testing for the bird flu, following a CDC advisory, even as it says ...

More than 156 million chickens, ducks, turkeys and other fowl have been slaughtered across the United States since the outbreak began in January 2022. One person has been killed.

Cats that became infected with bird flu might have spread the virus to humans in the same household and vice versa, according ...

The first human death caused by H5N1 in the U.S. was reported in Louisiana on Jan. 6. Here's what to know about bird flu.

The Centers for Disease Control and Prevention are monitoring the bird flu situation in the United States. Here's what to ...

The Centers For Disease Control and Prevention published its weekly research report Thursday, the first time since President ...

When it comes to the potential of H5N1 avian flu picking up mutations that might lead to human-to-human spread, that "train has already left the station," warns 1 infectious disease expert.

Is it seasonal flu or bird flu? CDC prompts hospitals to fast-track subtype testing of sick patients to tell the difference.