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.

A new strain of bird flu has been confirmed at a duck farm in California, the first time the variant has been discovered in poultry in the United States, an international agency said.

The first U.S. H5N9 outbreak has raised concerns as scientists warn of evolving bird flu risks—here's what you need to know about the symptoms.

U.S. authorities also detected the more common H5N1 strain on the same farm in Merced County, California, they said in a report to Paris-based WOAH, adding that the almost 119,000 birds on the

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.

A new bird flu strain was detected on a California duck farm. But what's the difference between H5N9 and H5N1, and is it safe to eat poultry? A doctor explains.

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

A new strain of a highly pathogenic and rare strain of bird flu has been reported on a duck farm in central California.

Both H5N9 and H5N1 were detected at the duck farm in Merced County, according to tests conducted by the US Department of Agriculture (USDA) National Veterinary Services Laboratory. The event began on November 23, with clinical signs that included increased deaths in the ducks.

The U.S. is reporting its first confirmed outbreak of H5N9 avian flu at a California duck farm amid a global surge in its sister strain H5N1, according to a report from the Paris-based World Organization for Animal Health (WOAH).

A new strain of bird flu, identified as highly pathogenic avian influenza (HPAI) H5N9, has been confirmed in a duck farm in Merced County, California. This marks the first time this variant has been detected in poultry in the United States,