Pigs Look Healthy But Test Positive for Flu at Fairs
Wednesday, October 24, 2012 - 22:00
in Health & Medicine
More than 80 percent of pigs that tested positive for influenza A virus at Ohio county fairs between 2009 and 2011 showed no signs of illness in a new study. A second study showed a 99+ percent genetic similarity among human and pig flu viruses from 2012, indicating interspecies transmission.