After bird flu was found in a Georgia commercial poultry facility for the first time, a second and even larger flock nearby has tested positive for the virus.

The escalating bird flu crisis is ravaging the nation's supply of eggs, leading to increased prices and presenting an immediate challenge for the Trump administration. Why it matters: An outbreak of avian influenza is growing and has affected nearly 13 million birds in the last 30 days,

A snow goose in 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.