A new strain of bird flu has been detected on a duck farm in California. The World Organisation for Animal Health reported the outbreak of the new strain, H5N9, earlier this week.

The first outbreak of H5N9 bird flu in poultry has been reported in California on a duck farm leading to the culling of nearly 119,000 birds and concerns.

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

First reported on NBC National. The United States has reported its first outbreak of H5N9 bird flu in poultry on a duck farm in California, the World Organization for Animal Health (WOAH) said on Monday.

The United States has confirmed its first case of highly pathogenic H5N9 avian influenza in poultry, following an outbreak at a duck meat farm in Merced County, California, the World Organization for Animal Health (WOAH) stated Monday.

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 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.

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

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 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.

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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.