"After 28 days, if there are no new cases from then on, Brazil can declare itself free of the disease," he said, adding that ...

The County Fair opened Thursday and runs through Monday, with an estimated 75,000 people expected to attend over five days at Cal Expo.

As bird flu sweeps across US poultry and cattle farms, researchers are racing to find ways to contain the outbreaks before ...

The first major global review of bird flu in cats reveals an emerging threat of a potential human pandemic. Spring is here, ...