A CDC spokesperson said the agency is aware of the presumptive positive case of H5 avian influenza, is collaborating with ...

Bird flu H5N1 has infected people in the U.S. See the map of cases. Could it trigger the next pandemic? Experts explain the ...

California's public health department reported a possible case of avian influenza in a child with mild respiratory symptoms on Tuesday, but said there was no evidence of human-to-human transmission of ...

Bird flu continues to spread across the U.S., with new infections in Hawaii and continued human outbreaks in California.

A child in California possibly contracted bird flu, though no human-to-human transmission was found. The U.S. CDC is involved ...

Two new flock infections are confirmed after the virus was absent from poultry in the province since February.

As a virus scientist in South Africa, I’ve been watching with dread as H5N1 bird flu spreads among animals in the United ...

The United States Department of Agriculture (USDA) confirmed the presence of avian influenza in Hawaii on Monday, the first ...

"Familiarity with influenza may mollify public concerns about its risk, but infections still cause tens of millions of ...

"Familiarity with influenza may mollify public concerns about its risk, but infections still cause tens of millions of illnesses and medical visits annually in the United States ... of the flu like ...

The affected flock of various backyard birds was on property serviced by a wastewater treatment plant, where a recent HPAI ...

Elephant seal numbers in Argentina remain low after a deadly H5N1 outbreak, highlighting the virus's dangerous adaptability.