As the long summer days of August turn into nights, a few dozen volunteers gather in the small community of Witless Bay, a ...

WASHINGTON - The ongoing spread of bird flu in the US has alarmed experts – not just because of human cases causing severe illness, but also due to troubling new instances of infections in cats.

WASHINGTON — The ongoing spread of bird flu in the United States has alarmed experts — not just because of human cases causing severe illness, but also due to troubling new instances of ...

The continuing spread of bird flu in the United States has alarmed experts – not just because of human cases causing severe illness but also troubling new instances of infections in cats.

The first case of the H5N1 virus, known as bird flu, in the U.S. was reported ... so the CDC has been carefully tracking and announcing new mutations discovered in the virus.

A sample of the virus found in a critically ill patient in the United States has shown signs of mutating to better suit human airways, although there is no indication it has spread beyond that ...

HANDOUT/National Institute of Allergy and Infectious Diseases/AFP The ongoing spread of bird flu in the United ... but also due to troubling new instances of infections in cats.

Genetic analysis suggests the H5N1 virus has the capacity to mutate in ways that could make it more transmissible to humans. H5N1 bird flu samples collected from a severely ill patient in ...

Vermont officials said there have been no human cases reported in New England during the current outbreak, and lab testing confirmed that this particular case of bird flu is not the strain that ...

There have also been no confirmed cases of bird flu spread to humans in Vermont or in New England. The strain that made this flock ill or killed off some birds is not the strain of bird flu ...