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

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

Some bakeries and restaurants around the Chicago area have already been left shell-shocked by raising egg prices.

CHICAGO - The avian flu outbreak that has killed millions of chickens nationwide, driving up the price of eggs, is now ...

There were about five times as many emergency department visits for flu as there were for COVID-19, according to IDPH data ...

As it mutates, the bird flu has seemingly been able to infect other bird species, pets, other kinds of animals and, on rare ...

Hundreds of dead or sick red-breasted mergansers have been found along Lake Michigan, sparking bird flu concerns.

After a short reprieve earlier this month, respiratory illness levels have again moved from moderate to high in Illinois, with the flu driving much of the increase, according to the state health ...

While it's tragic and alarming to see a massive die-off, it's not uncommon for birds that travel in such large populations.

The largest concentrations of sick mergansers were found Saturday at North Avenue Beach and Oak Street Beach. Other birds ...

Monitors with an area bird tracking organization say that they've determined that a number of ducks have succumbed to bird flu​ along Lake Michigan.

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