South Dakota has not had a confirmed case of measles so far this year, but last July, it reported its first measles case in ...

Measles, once declared eliminated in the United States, is making an unexpected comeback — infecting more than 1,000 people nationwide this year alone. That's triple the number reported just a year ...

You may not know it, but there currently are multiple major outbreaks of infectious disease in the United States. The highest profile one involves the measles. But a listeria outbreak has sickened ...