Use of Nowcasting to Estimate Real-Time Transmission Trends During a Measles Outbreak - South Carolina, October 2025-March 2026.
During October 2025-March 2026, South Carolina experienced the largest measles outbreak in the United States in approximately 30 years, with 997 cases reported. The South Carolina Department of Public Health reported confirmed measles cases to CDC through regular updates of provisional (initially reported) line-list da...