GRAYS HARBOR, Wash. — Health officials announced that a Grays Harbor County resident has tested preliminarily positive for avian influenza, potentially marking Washington’s first human case of bird ...

In response to a new strain of influenza reported in China, the Arizona State Laboratory has obtained H7N9 influenza test kits from the U.S. Centers for Disease Control and Prevention. China is ...

The rapid spread of H5N1 from wild birds to mammals, and even humans, is raising the stakes in the fight against avian influenza. As experts warn of the virus’s pandemic potential, global action on ...

Health officials are making a renewed call for vigilance against bird flu, but some experts are puzzling over why reports of new human cases have stopped. “We just don't know why there haven't been ...