South Carolina Measles Outbreak Reaches 996 Cases

Three new cases reported, with most infections in unvaccinated children.

Mar. 13, 2026 at 9:07pm

Got story updates? Submit your updates here. ›

South Carolina health officials have reported three new measles cases, bringing the total number of infections linked to the outbreak to 996. The outbreak, which began in October, has been centered in the northwest part of the state and has primarily affected unvaccinated children.

Why it matters

The widening measles outbreak in South Carolina highlights the importance of vaccination, as the majority of cases have been in unvaccinated individuals. Public health officials are concerned the outbreak could last for weeks or months, underscoring the need for increased vaccine uptake to control the spread of the highly contagious disease.

The details

Of the 996 total cases, 930 were in unvaccinated individuals, 18 were partially vaccinated, 26 were fully vaccinated, and 22 had unknown vaccination status. At least 30 people have been quarantined after exposure to the virus, and 4 people are in isolation. Most cases have been reported in children aged 5-17, followed by those under 5 years old.

  • The outbreak began in October 2025.
  • As of March 13, 2026, the total number of cases has reached 996.

The players

South Carolina Department of Health

The state health department responsible for reporting and managing the measles outbreak.

Jay Bhattacharya

The new acting director of the CDC, who has urged Americans to get vaccinated against measles as the best protection against the disease.

Got photos? Submit your photos here. ›

What they’re saying

“We must not let individuals continue to damage private property in San Francisco.”

— Robert Jenkins, San Francisco resident

“Fifty years is such an accomplishment in San Francisco, especially with the way the city has changed over the years.”

— Gordon Edgar, grocery employee

The takeaway

This outbreak underscores the critical importance of vaccination, as the vast majority of cases have occurred in unvaccinated individuals. Public health officials are working to contain the spread of this highly contagious disease, but increased vaccine uptake is essential to prevent future outbreaks and protect vulnerable populations.