Bird flu is widespread in wild birds worldwide and is causing outbreaks in poultry and dairy cows with several recent human cases.

Wildlife professionals and advocates are grappling with an avian influenza outbreak that seems to be growing more virulent ...

Officials urged residents of the Chicago area not to touch -- or let their pets touch -- dead or sick birds as a bird flu ...

The infected birds "present with tremors and little ability to move," said a local conservation group tracking the outbreak.

Hundreds of red-breasted mergansers have been affected by a bird flu outbreak on Chicago's Lake Michigan shoreline, raising ...

Reports of dead birds washing up on beaches along Lake Michigan are sparking new fears over bird flu. Over the weekend, ...

A new strain of highly pathogenic bird flu (H5N9), which has never been seen in the United States before, was recently discovered on a duck farm in ...

H5N1 bird flu — have been found along the shores of Lake Michigan in the Chicago area, prompting warnings from area health officials.

When she took her dog out to Oak Street Beach on their morning walk Sunday, Portia Belloc Lowndes came across a scene that was so disturbing, she said, it felt “like a horror show.” Around 20 dead ...

The nationwide spread of highly pathogenic avian influenza, HPAI, also known as avian or bird flu, has many in Illinois concerned about livestock, ...

Two animal deaths at Lincoln Park Zoo in Chicago have been traced to an outbreak of avian influenza, or bird flu, according to a statement from zoo officials on Wednesday. It also announced that ...