Diseases, Conditions, Syndromes

USDA confirms bird flu at 5th South Dakota turkey farm

Five commercial turkey farms in South Dakota have now been infected with a bird flu strain that's led to the deaths of more than 250,000 turkeys in the state and over 2.4 million birds in the Midwest.

Diseases, Conditions, Syndromes

New case of mad cow disease in California

The first new case of mad cow disease in the U.S. since 2006 has been discovered in a dairy cow in California, but health authorities said Tuesday the animal never was a threat to the nation's food supply.