New York State confirmed its first case of mosquito-borne eastern equine encephalitis in close to a decade. (ABC News) ...

Another health care worker who was exposed to a Missouri patient who tested positive for bird flu developed respiratory ...

A second health worker who cared for a person hospitalized in Missouri with H5N1 bird flu developed mild respiratory symptoms ...

In other developments, CDC and Ohio partners launched a serosurvey among bovine veterinary workers who attended a recent ...

A third close contact of a patient in Missouri who was hospitalized with H5N1 bird flu has reported that they also ...

Mystery H5 flu case had a close contact who was ill at same time; CDC hopes blood tests will show if there was a connection.

A second health worker in contact with the Missouri patient who tested positive for bird flu also developed symptoms but wasn ...

A close contact of someone with bird flu became ill on the same day, the C.D.C. reported. But the second person was not ...

A patient in Missouri who was hospitalized after an infection with bird flu had the H5N1 strain of the virus, the US Centers ...

In a disclosure that can't eliminate the possibility that bird flu may have spread from one human to another for the first ...

The H5N1 bird flu has been spreading widely among wild birds, poultry, cows and a growing number of other animals NBC ...