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.

In line with Trump's executive order to end all collaboration with the WHO, the CDC has been instructed to end all communications and work with the international public health agency.

From new legislation to a rare outbreak of bird flu or recordbreaking cheese exports, check out the latest ag news.

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.

The United States has reported its first outbreak of H5N9 bird flu in poultry on a duck farm in California, Reuters reported, citing the World Organisation for Animal Health (WOAH) on Monday.

New cases of HPAI have been identified in the wild bird populations of 13 European countries over past two weeks.

A California duck farm has culled thousands of birds as the virus seems to be trading genetics with other viruses

The U.S. reported its first H5N9 bird flu case at a California duck farm, according to WOAH. Authorities also found H5N1 there, leading to the culling of 119,000 birds. H5N1 is the more common strain,

While the H5N1 bird flu keep spreading, there has been for the first time ever a reported H5N9 outbreak in the United States. This occurred on a duck farm in California