Large-scale poultry vaccinations may be driving bird flu evolution, according to a concerning new international study.

In recent months, bird flu has started raising red flags among scientists and public health officials. Apoorva Mandavilli, a New York Times reporter who covers infectious diseases, explains why we ...

The first human death caused by H5N1 in the U.S. was reported in Louisiana on Jan. 6. Here's what to know about bird flu.

A bird-flu pandemic is far from inevitable. But health experts are closely monitoring an outbreak that could quickly escalate ...

State officials suspect the avian flu has killed dozens of wild birds in Boston, Amherst, and Plymouth, and farmers are ...

President Trump pardoned 1500 Jan. 6 rioters, and some police organizations are now condemning the move, according to our ...

As a growing number of cats have gotten sick or died after consuming raw pet food or raw milk contaminated with the H5N1 virus, health officials have advised pet food companies to take extra ...

Concerns about bird flu are growing among health officials weeks after the first person in the U.S. died from the virus, and ...

The latest data from the Animal and Plant Health Inspection Service of the USDA's Avian Influenza Tracker shows a significant ...

As more cases of bird flu emerge across the country, public health leaders in New York City are watching warily -- and making ...

Rachel Maddow reports on the damage aleady being done by the bird flu outbreak and how Donald Trump's freeze on communication ...

Sonoma County chicken and duck ranchers are grateful for the boost they received. They also insist the money doesn’t come ...