Commercial duck flock in California has tested positive for two strains of avian influenza. On November 23, 2024, two HPAI viruses were identified in samples from a farm rearing meat ducks in Merced ...

The strain bombarding the US right now, Eurasian H5N1, is considered highly pathogenic. It infects birds' respiratory and gastrointestinal tracts and can quickly tear through an entire flock.

Highly pathogenic avian influenza H5N9 has been identified in U.S. poultry for the first time, after outbreak at a commercial ...

No evidence was found of the highly pathogenic H5N1 strain, which caused mortality in parts of Asia, Europe and Africa. There was no evidence that this strain occurred in North American wild birds.

The United States has confirmed its first outbreak of H5N9 (Eurasian lineage goose/Guangdong clade 2.3.4.4b)avian influenza in poultry, specifically on a duck farm located in California. U.S.

The Kaua‘i levels are not considered positive results; however, it may be an indication that highly pathogenic avian influenza (HPAI or H5N1 ... identified as the Eurasian strain of HPAI ...

CNN reports a Nevada dairy worker may have been infected by deadly D1.1 version of H5N1 bird flu Worker shows only mild symptoms Genetic analyses of this version show changes that could make it ...

Cows in Nevada have been infected with a strain of H5N1 bird flu different from the strain detected in all other herds to this point in the ongoing dairy outbreak. It's the same strain that killed ...

Veterinary and public health officials are urging cat owners to remain vigilant as cases of Highly Pathogenic Avian Influenza, or H5N1, commonly known as bird flu, have been detected in domestic cats.

A new version of the H5N1 bird flu virus has been detected in milk samples collected from dairy herds in Nevada. The strain, known as D1.1, had so far been associated only with migrating birds and ...