South Carolina Faces Largest Measles Outbreak in Decades

979 confirmed cases prompt CDC assistance as state works to control spread

Published on Feb. 24, 2026

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South Carolina is experiencing a significant measles outbreak, with 979 confirmed cases reported as of February 24, 2026. The epicenter is Spartanburg County, where 927 of the cases have been identified. While the rate of new infections appears to be slowing, the state has requested support from the CDC Foundation to assist with outbreak control efforts.

Why it matters

Measles is a highly contagious viral illness that can lead to serious complications, including pneumonia, encephalitis, and even death. This outbreak highlights the importance of vaccination in preventing the spread of this disease, especially among vulnerable populations like young children.

The details

Of the 979 total cases, 913 individuals were unvaccinated, 19 were partially vaccinated, and 26 were fully vaccinated. Currently, 91 people are in quarantine due to potential exposure, and one individual is in isolation. The state has reported 21 hospitalizations related to measles complications.

  • The outbreak initially began in Spartanburg County in October 2025.
  • As of February 24, 2026, a total of 979 confirmed cases have been reported.
  • Only six new cases were identified since Friday, February 21, 2026, suggesting a potential deceleration in the outbreak's growth.

The players

South Carolina Department of Public Health (DPH)

The state health department that is leading the response to the measles outbreak and in regular communication with hospitals.

CDC Foundation

A nonprofit organization established by Congress to provide support to the Centers for Disease Control and Prevention during public health emergencies. Twelve infectious disease specialists from the CDC Foundation have arrived in South Carolina to assist with outbreak control efforts.

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What’s next

The judge in the case will decide on Tuesday whether or not to allow Walker Reed Quinn out on bail.

The takeaway

This case highlights growing concerns in the community about repeat offenders released on bail, raising questions about bail reform, public safety on SF streets, and if any special laws to govern autonomous vehicles in residential and commercial areas.