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 ...

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

The news comes in the midst of HPAI cases in a commercial poultry operation in Kent County, Del., plus one in Caroline County ...

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.

An ongoing bird flu epidemic has forced farmers to kill millions of egg-laying hens, leading to a serious shortage.

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.

This marks the first case of H5N1 at a Maryland commercial poultry ... had highly pathogenic H5 avian influenza (HPAI) of the Eurasian lineage 2.3.4.4b with early indications that the virus ...

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 ...

The findings show that differences in the dominant grasses and lower species diversity in the Eurasian Steppe grasslands may make it more vulnerable to drought than the North American Great Plains.