H5N1 bird flu found in U.S. swine for 1st time

A bird flu virus has jumped one species closer to a human outbreak. The H5N1 bird flu was detected in a pig in ...
H5N1 bird flu has been identified in a pig in the United States for the first time, the US Department of Agriculture ...
The infected pig was not destined for commerical food production and federal officials say there is no concern about the ...
H5N1 bird flu has been detected in a pig in the US for the first time, sparking concern that the virus could become better at ...