The recent appearance of the H5N1 bird flu in pigs does raise viral reassortment concerns. Here's what we know about this ...

The H5N1 bird flu outbreak in the U.S. has so far been shockingly mild. Researchers have some theories as to why.

Australia's surveillance of bird flu has been described as a possible "model" to follow globally, with the spread of the H5N1 strain of the virus causing concerns for international health authorities.

A teen in British Columbia recently became critically ill after becoming infected with H5N1. H5N1 is a highly pathogenic ...