Global experts urge to prepare for possible new pandemic as new H5N1 bird flu outbreak spreads to dairy animals, human infections. Here's what to know ...

Each human and mammalian infection gives the virus an opportunity to mutate and evolve better ways of transmitting from ...

Health experts warn of another potential pandemic due to the H5N1 avian flu. The virus, impacting birds and mammals, has spread across the U.S. and resulted in significant poultry losses.