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

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

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

More than a month after a person in Missouri mysteriously fell ill with H5-type bird flu, investigators in the state are ...

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

Four more health-care workers who tended to a person hospitalized with H5N1 bird flu have revealed that they had respiratory ...

Testing is ongoing among five health care workers and a household member exposed to the infected person who all came down ...

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

Seven people in contact with a patient hospitalized with bird flu also developed symptoms, the C.D.C. reported. Some are ...

At least one household member and six healthcare workers who encountered the index case-patient are being investigated after ...

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

What is known so far about the human cases of bird flu in the U.S. is enough to worry those who spend their professional days ...