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

The discovery of bird flu in the San Mateo backyard flock prompted health officials to remind people to take biosecurity ...

The order affects roughly 80 markets in New York City and in several nearby counties. New Jersey is also asking its live ...

According to the Centers for Disease Control and Prevention (CDC), there have been 67 confirmed human cases of H5N1 bird flu ...

The new H5N1 version, known as D1.1, was found in dairy cattle in Nevada and is different than the B3.13 type that has spread ...

A new strain of the H5N1 bird flu virus has been detected in milk samples collected from dairy cows in Nevada.

Migrant farmworkers are on the front lines of the H5N1 surge — but deportation fears complicate virus surveillance ...

All live poultry markets in New York City, Westchester, Nassau, and Suffolk counties were temporarily shut down on Friday after seven bird flu cases were detected, New York Governor Kathy Hochul said.

Wisconsin is among 10 states to report human cases of the H5N1 virus so far, with more than half reported in California.

Six dairy herds in Nevada have tested positive for a newer strain of the H5N1 bird flu virus that’s been associated with severe infections in humans, according to the Nevada Department of Agriculture.

H5N1 has been ... of Avian Influenza (bird flu) is having a devastating effect on one of the UK's best known and important seabird colonies. (Owen Humphreys/PA Images via Getty Images)“When ...

Yahoo News provides the latest updates on the spread of bird flu in the U.S., and its effect on rising egg prices and ...