"Even sporadic cases of human-to-human transmission indicate a big change in the virus and suggest it is exploring new ...

In the absence of PCR testing, infectious disease experts and epidemiologists are anxiously awaiting serology results from ...

Dhillon is an instructor in the Division of Global Health Equity at Brigham and Women’s Hospital and Harvard Medical School.

Researchers reveal how H5N1 viruses rapidly adapted to mammals through genetic reassortment and specific mutations, raising ...

The CDC said an investigation into a human H5N1 bird flu infection in Missouri has found four additional health care workers ...

A new strain of bird flu threatens to be Australia’s biggest ecological disaster, decimating native birds as well as mammals ...

Experts call for greater testing of contacts of a person who was infected with the H5N1 bird flu strain before the virus ...

Most viruses that become epidemics in humans begin in other animals. It's how scientists suspect COVID-19 emerged. And now, ...

In a review article published in the journal Nature, the authors describe molecular and ecological factors associated with the sudden expansion of H5N1 high-pathogenicity avian influenza (HPAI ...

The outbreak of H5N1 avian influenza in U.S. dairy cows has been confirmed in 200 herds in 15 states, and now the virus has been found in pet cats. “The identification of H5N1 in indoor-only cats is a ...

The mandatory testing comes as the total number of infected herds in California has risen to 17. Nationally, officials have ...

Research indicates that the food-stealing behavior of some seabirds may be a key factor in the spread of the lethal H5N1 bird ...