Avian flu will be in all US flyways this fall

摘要

Biosecurity is a must in preparedness for the expected return of avian influenza in US flyways in the fall of 2015, and vaccination of flocks is a possibility.The U.S. is experiencing the worst and largest animal disease event in its history with the highly pathogenic avian influenza outbreaks in poultry, and USDA is preparing for a worst-case scenario in the fall of 2015, said John Clifford, the chief veterinary officer of the United States.