Louisiana has recorded the nation’s first severe human infection of H5N1, also known as highly pathogenic avian influenza or bird flu, according to the Centers for Disease Control and Prevention.

Avian influenza is carried primarily by waterfowl (geese and ducks) along their migratory paths from their summer habitat to their wintering grounds.

The symptoms of the viral infection include eye redness, cough, sore throat, fever, runny nose, diarrhea, vomiting, muscle ...

A chilling milestone in U.S. public health has been confirmed. The Centers for Disease Control and Prevention (CDC) recently ...

When, where and how the H5N1 bird flu virus may evolve and its capacity to spark a pandemic is hard to predict — in part, ...