South Carolina confirms 11 measles cases, forcing 153 unvaccinated students into a 21-day quarantine amid a national surge of 1,563 cases in 2025. Outbreaks in Spartanburg and Greenville renew debates over vaccine effectiveness, natural immunity, and government transparency. Critics cite waning MMR protection and past vaccine scandals, while officials defend mandates as essential for containment. The outbreak underscores growing mistrust between public health agencies and vaccine skeptics.
Measles outbreak sparks debate over vaccine efficacy and public health policy
