Researchers are reporting mass die offs of wild birds and sea mammals due to bird flu. They're tracking the deaths to better understand the virus and how it might create a greater threat to humans.

The detection indicates that distinct forms of the virus known as Type A H5N1 have spilled over from wild birds into cattle ...

Nearly 119,000 birds have been culled at a farm in California after a bird flu called H5N9 was detected among the poultry ...

Bird flu has decimated poultry flocks and infected cattle herds. The risk to humans is currently low, but that could easily ...

Don’t be a hero if you spot birds or animals showing signs of avian flu (dead or distressed birds, multiple signs of sickness ...

Most of the bird flu cases reported so far in the U.S. have belonged to an influenza subtype known as HPAI H5N1. The newly ...

This is the fifth commercial poultry flock in Maryland to be struck by HPAI in 2025, all of which have involved commercial ...

State officials say the highly pathogenic avian influenza – more commonly known as bird flu – is widespread in much of the ...

What you need to know about bird flu. Public health experts are closely watching avian influenza, which has affected chickens ...

State leaders unveil design for new Key Bridge; overdose fatalities in Maryland fall 38%; Gov. Moore to give State of State ...

The highly contagious bird flu has hit Montgomery County, Maryland, where officials say a backyard flock of chickens tested ...