The U.S. has reported its first death due to bird flu, aka H5N1. How deadly is H5N1? Experts discuss bird flu fatality rate amid ongoing outbreak.
The first human death caused by H5N1 in the U.S. was reported in Louisiana on Jan. 6. Here's what to know about bird flu.
The US Centers for Disease Control and Prevention is urging hospitals to accelerate advanced testing of people they suspect ...