Four black rats were confirmed to have H5N1 avian flu in late January in Riverside County, California, where two recent poultry outbreaks were reported, the agency said.

Integrated DNA Technologies today launched the Avian Influenza Type A (H5) Primers and Probe Set to enable researchers to identify, target, and trace the presence of clade 2.3.4.4b of the H5N1 ...

One reason eggs are pricey and sometimes hard to find is an outbreak of highly pathogenic avian influenza, commonly called bird flu.

The diagram shows the important events and processes in the emergence of influenza A (H1N1) viruses during the past 91 years. Avian, swine, and human populations are represented in the top, middle ...

The evolution of the virus in Antarctica The highly pathogenic H5N1 strain of the avian influenza virus initially evolved in domestic poultry but has recently adapted to spread among wildlife.