So far this year, 107 people have contracted the measles across the United States, according to the CDC.
That includes South Carolina.
While the state does require children that enroll in child care facilities and public schools to have their measles vaccination, children can be exempted for medical or religious reasons.
Doctors warn that not getting vaccinated could have serious consequences.
Measles is usually passed through coughing and sneezing.
Related: Measles: 5 Things You Need to Know