Bird flu has been detected in a sheep in northern England, the first known case of its kind in the world, Britain’s government said, adding to the growing list of mammals infected by the disease and ...

There could be 2,000 new HIV infections a day across the world and a ten-fold increase in related deaths if funding frozen by ...

The U.S. has almost doubled imports of Brazilian eggs once used only for pet food and is considering relaxing regulations for ...