New strain of bird flu found in California: Current status in maps
The newly reported H5N9 strain was found Monday at a duck farm in Merced County, California, according to the World Organization for Animal Health. The Paris-based organization that studies animal diseases said it's the first verified U.S. case of H5N9 in poultry. The organization said the more common strain H5N1 was also found.
How are H5N9 and H5N1 different? What to know after California bird flu outbreak
The California duck farm's strain of H5N9 is different from those earlier cases because this time it is closely related to a newer variant of the H5N1 virus. That variant is called H5N1 D1.1, the USDA spokesperson said, which has emerged over the past year to dominate U.S. cases in wild birds and poultry.
That said, the cost of eggs isn't the only issue at stake with an avian flu epidemic: There are a lot of questions about ...
FRIDAY, Feb. 7, 2025 (HealthDay News) -- Scientists are calling on the U.S. Centers for Disease Control and Prevention (CDC) ...
The discovery of bird flu in the San Mateo backyard flock prompted health officials to remind people to take biosecurity ...
As California's Central Valley makes headlines for the growing number of people testing positive for the bird flu from exposure to dairy cows, Rais Vohra, MD, professor at UC San Francisco, Fresno and ...
H5N9 is “not commonly seen in poultry in general,” says Eman Anis, assistant professor at the University of Pennsylvania ...
New York has ordered a weeklong shutdown of all live bird markets in New York City, Westchester and Long Island after seven ...
First U.S. detection of virulent H5N9 strain, at a California duck farm, draws scrutiny as evidence of genetic reassortment ...
Wisconsin is among 10 states to report human cases of the H5N1 virus so far, with more than half reported in California.
While the risk to humans of exposure from cows or milk remains low, this new flu spillover from birds into cows raises the need for continued surveillance.
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