Overview
- State health officials reported 88 additional infections Tuesday, bringing South Carolina’s total to 646 since October and keeping the epicenter in Spartanburg County.
- Most patients are unvaccinated children and teenagers, and hundreds are under quarantine as exposures are tracked at schools, a supermarket and a state museum.
- Clemson University confirmed an affiliated measles case who is isolating while DPH conducts contact tracing, and the school reports nearly 98% of main‑campus students have proof of immunity.
- Washington state confirmed three Snohomish County cases tied to a family traveling from South Carolina, and health officials say more cases are possible given multiple exposure sites.
- PAHO scheduled an April 13 review of the U.S. measles elimination status as CDC and states investigate whether outbreaks in Texas, Utah/Arizona and South Carolina form a single transmission chain.