Seven people fell ill with flu-like symptoms after contact with someone infected with H5N1, raising fears that the virus has ...

Germany reported an outbreak of highly pathogenic H5N1 bird flu on a farm in the eastern region of Saxony near the border ...

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

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

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 ...

In what could be the first cases of bird flu spreading between humans in the United States, a group of potential H5N1 ...

A cluster of healthcare workers has been tested for H5N1 bird flu in what could be the first cases of human-to-human spread of the virus.

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 ...

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