Avian flu is a common illness among birds, but it can spread to humans and other mammals. The virus is shed through excretions, such as saliva and feces. Exposure to sick or dead animals is the primary way humans contract bird flu, according to the CDC.

A snow goose in West Philadelphia ’s Carroll Park neighborhood is the city’s first suspected case of a highly contagious avian flu spreading among birds and cattle across the country, Philadelphia health officials said Wednesday.

The Delmarva Avian Influenza Joint Information Center has announced increased efforts in the First State to test for bird flu in sick and dead wild snow geese and other birds

Philadelphia health officials say a goose found next to Carroll Park in West Philadelphia had highly infectious bird flu.

The Centers for Disease Control and Prevention are monitoring the bird flu situation in the United States. Here's what to know and how to stay safe.

Georgia, the top US chicken-producing state, confirmed its second recent case of bird flu in a commercial poultry flock, putting exports of the meat at risk.

With a rise in egg prices and cases among birds, it's understandable why many Americans are worried about the Avian Flu. Montana officials weigh in on ways to protect yourself from the virus.