The United States reported a first outbreak of H5N9 bird flu on a poultry farm, the World Organisation for Animal Health said on Monday. Highly pathogenic avian influenza, commonly called bird flu, has spread around the globe in the past years,

The bird flu has been infecting American flocks for years, leading to a series of infections and increased egg prices. But now, there's a new twist: A different strain has been detected in U.S. poultry.

The H5N9 strain of avian influenza is much more rare than the H5N1 which has been responsible for most of the reported human cases and the first human death.

Struggling to find eggs or noticing the price for a carton is ridiculously high? Here's what's happening and if it'll change anytime soon.

H5N9 is a rare subtype of the influenza A virus that can cause highly pathogenic avian influenza (HPAI), also known as bird flu. It's a reassortment strain that originated from the H5N1, H7N9, and H9N2 subtypes.

"This is the first confirmed case of HPAI H5N9 in poultry in the United States," WOAH’s report stated. As a result of the outbreak, 118,954 birds were killed to avoid further spread as of Dec ...

"This is the first confirmed case of HPAI H5N9 in poultry in the United States," WOAH’s report stated. As a result of the outbreak, 118,954 birds were killed to avoid further spread as of Dec ...