USDA officials say they fully expect H1N1 flu to hit U.S. swine herds this fall and Agriculture Secretary Tom Vilsack said they are doing what they can to be ready in case that happens.
USDA officials say they fully expect H1N1 flu to hit U.S. swine herds this fall and Agriculture Secretary Tom Vilsack said they are doing what they can to be ready in case that happens.