One charter school in South Carolina's Upstate region had an immunization rate at just 17%, according to state health data.

Thousands of unvaccinated children in some of the state’s largest school districts add to the concern over the measles ...

A total of 16 measles cases have been reported in the Upstate since July, including five additional cases announced Tuesday.

Dr. Linda Bell, the South Carolina epidemiologist, said residents outside the two Upstate counties where children have ...