The outbreak has affected 174 farms in 15 states. Because there's no vaccine, infected and even healthy birds must be killed to try to stop the virus.
Tuesday marked the worst day in the H5N2 avian flu outbreak which is killing millions of turkeys and chickens across the Midwest.
Minnesota, the country's largest turkey producer, has seen nine farms diagnosed with bird flu infections.
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.