Avian influenza H5N1 infection in humans has spread to seven U.S. states, growing from 46 cases last week to 52 cases this week.

A map has been released showing a protection zone and a surveillance zone that have been put up after bird flu was found in ...

Colleagues, it's time to wake up and smell the coffee. Or, for a true reality check, just scan the Department of ...

Officials suspect wild migrating birds are likely to blame for the first known infection of a flock in Hawaii, which had been the last state in the country with no reported cases in poultry or wild ...

Since the first avian influenza outbreaks hit the U.S. early this year, health and agriculture experts have struggled to track the virus’s spotty path as it spreads in dairy cow herds and an ...

Unlike poultry, the avian flu is not typically lethal to dairy cows. If infected, the cow is separated from the rest of the ...

As H5N1 bird flu spreads among California dairy herds and southward-migrating birds, health officials announced Friday six ...

Bird flu has been detected at a poultry farm in Cornwall. The highly infectious viral disease was found at a farm near ...

Almost from the beginning of the spread of H5N1 bird flu among farms and ranches in the U.S. earlier this year, experts and researchers warned that a critical lag in the blood testing of exposed ...

Canada has had no cases reported in dairy cattle and no evidence of bird flu in samples of milk. Symptoms among those ...