But experts say the outbreaks of vaccine-preventable illnesses ... The pertussis vaccine, which also protects against ...

Diseases such as measles, rubella and polio could become endemic to the U.S. again if vaccine rates decline, according to modeling run by researchers at Stanford Medicine and their colleagues.

Without a 5% higher measles, mumps, and rubella (MMR) vaccination rate, measles may revert to endemicity in the United States ...

Whooping cough cases are rising, and doctors are bracing for yet another tough year. There have been 8,485 cases reported in ...