Bird flu H5N1 is infecting people in the U.S. See the map of cases. Could it trigger the next pandemic? Experts explain the threat and symptoms to watch for.

There is no evidence the youngster was exposed to livestock or any infected animals, deepening the mystery about the spread of H5N1 bird flu.

Mississippi has confirmed H5N1 in a poultry flock. The birds are not part of food supply chain. What you need to know about ...

Among 61 people infected with bird flu in the U.S. this year, a Louisiana patient is the first to have "severe" disease ...

A study at Iowa State University is seeking to determine whether bird flu, found in cows' milk, can also show up in other ...

A new warning from global health experts is raising alarms about the potential for a bird flu pandemic that could outpace the ...

Louisiana has reported its first presumptive case of human bird flu (H5N1). The infected individual, currently hospitalized, ...

A human case of H5N1, also known as bird flu, has been identified in Texas, according to the Centers for Disease Control and Prevention. The federal agency notes the risk to the public remains low.

A global outbreak of avian flu has reached Arizona, affecting animals and humans. Officials say the public health risk ...

The first person to contract H5N5 avian influenza, a rare strain of the disease known as bird flu, died in Washington state Friday. The state’s Department of Health said in a release the resident of ...