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

In the U.S., bird flu headlines have focused on an unprecedented number of American cases and the impact of the virus on dairy cows and on poultry ...

The order came after birds infected with the bird flu virus were found during routine inspections of live bird markets in the ...

Dairy cattle in Nevada have been infected with a new type of bird flu that's different from the version that has spread in ...

The spread of bird flu in NYC markets has led to closures, soaring egg prices, and a crisis for Long Island's last duck farm.

Dairy cows in Nevada have been infected with a new strain of bird flu, marking the second strain detected in herds since ...

A second type of bird flu has been found in U.S. dairy cows for the first time, the U.S. Department of Agriculture announced Wednesday.

Bird flu appears to be widespread among birds in Massachusetts, state health and environmental officials said Wednesday.

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.

The escalating bird flu crisis is ravaging the nation's egg supply, and that shortage has hit Arizona along with the rest of ...