The Associated Press
MINNEAPOLIS - U.S. Agriculture Secretary Tom Vilsack on July 20 said that he's not ready to declare the Midwest avian influenza outbreak over even though no new cases of the H5N2 virus have been detected for more than a month.
Poultry producers have caught a break thanks to the summer weather because warmer temperatures tend to kill the virus, Vilsack said in an interview with the Associated Press, but the threat hasn't passed.
USDA scientists believe waterfowl dropped the virus during the spring migration north, and they worry it could return this fall and potentially. . .