Active Public Health Outbreaks: South Carolina

Current Status (November 30, 2025): South Carolina is currently managing a significant localized measles outbreak in the Upstate region, which remains the primary public health priority. While respiratory virus activity remains below baseline levels for this time of year, RSV cases are rising. Additionally, a Spartanburg-based food manufacturer is the source of a nationwide Listeria outbreak, though no illnesses have been confirmed within the state itself.

CRITICAL ALERT: Measles Outbreak (Upstate)

Updated: Nov 28, 2025

The South Carolina Department of Public Health (DPH) is actively responding to a rapidly expanding measles outbreak centered in Spartanburg County. As of late November, the case count has risen to 65 confirmed cases.

  • Primary Location: Spartanburg County (Upstate Region).
  • Exposure Sites: Lyman Elementary, Boiling Springs Middle, D.R. Hill Middle, and a local Costco.
  • Quarantine: Over 140 individuals are currently in quarantine.

Vaccination Status of Confirmed Cases

Unvaccinated ~90% (58 Cases)
Vaccinated / Partial ~10% (7 Cases)

Data Source: SC DPH Surveillance

Foodborne Illness Alerts

Listeria Outbreak (Yu Shang Food)

A massive recall (72,000+ lbs) of ready-to-eat meat products from Spartanburg-based Yu Shang Food Inc. is linked to a multi-state outbreak.

11 US Illnesses
1 Deaths
0 SC Cases

*While the source is local to SC, confirmed illnesses are currently in CA, IL, NY, and NJ.

National E. Coli Context

Regarding the recent national E. coli outbreak linked to McDonald's onions:

No confirmed cases in South Carolina
Outbreak declared over (Dec 2025)

Respiratory Disease Surveillance (Week 47)

Virus Activity Level Trend Key Metric
Influenza (Flu) Low Stable 3.0% ILI Visits (Below Baseline)
COVID-19 Low Stable Low Hospital Admissions
RSV Moderate Increasing ? Rising in Southeast Region
Whooping Cough (Pertussis)

Significant rise in cases observed throughout 2025 (180+ cases reported mid-year), marking a sharp increase from 2024 levels. Vaccination (Tdap) remains the primary recommendation.

West Nile Virus

4 confirmed human cases reported in South Carolina for the 2025 season. Mosquito activity is decreasing with cooler weather, but precautions are still advised in warmer coastal areas.