New research indicates that massive hog farms in North Carolina serve as breeding grounds for flu bugs before they jump from pigs to humans.
18 people tested positive for strains of influenza never before seen in humans after attending agricultural fairs in Ohio and Michigan in August of this year.
The H7N9 bird flu has Chinese consumers concerned about one of their favorite fast foods.
Bird flu has been detected in live pigeons for sale in China. So far, six people have died and 16 fallen ill.