Bird flu cases are still rising in the U.S. as the virus continues to devastate poultry farms. More than 145 million chickens ...

First U.S. detection of virulent H5N9 strain, at a California duck farm, draws scrutiny as evidence of genetic reassortment ...

The recent rise in egg prices is being linked to the ongoing spread of bird flu, a virus primarily affecting chickens and other poultry.

The H5N9 strain of avian influenza is much more rare than the H5N1 which has been responsible for most of the reported human ...

Britons have been urged to be vigilant against bird flu after the deadly H5N1 strain killed three mute swans in Dorset. Urgent tests are under way ... But what is the virus and why has it created ...

The US just recorded the first death from severe bird flu ... passing the virus among themselves more often than experts know about. “We have to be very cautious about under-interpreting ...

So far, there have been 66 human cases of bird flu reported in 10 states. In the nearly nine months since the first human case of bird flu was detected in the United States, the virus has ...

This colorized electron microscope ... avian influenza A H5N1 virus particles (yellow), grown in Madin-Darby Canine Kidney ...