Avian influenza H5N1 infection in humans has spread to seven U.S. states, growing from 46 cases last week to 52 cases this week.
California public health officials are dipping into state and federal stockpiles to equip up to 10,000 farmworkers with masks ...
Poultry on a commercial farm in England have been infected with the bird flu virus. The U.K. government says the H5N1 virus was found in birds in St.