South Carolina Measles Cases Rise to 847

State health department reports 58 new infections since Tuesday as outbreak continues

Jan. 30, 2026 at 6:47pm

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South Carolina has reported 847 measles cases as of Friday, including 58 additional infections since Tuesday, according to state health data. The outbreak, which began in October, has been centered in the northwest part of the state and has primarily affected unvaccinated individuals.

Why it matters

The widening measles outbreak in South Carolina highlights the ongoing public health challenges posed by low vaccine uptake, with the vast majority of those infected being unvaccinated. Health officials warn the outbreak could last for weeks or months, underscoring the need for improved vaccination rates to prevent the spread of highly contagious diseases.

The details

Of the 847 measles cases reported, 760 were in unvaccinated individuals, 15 were partially vaccinated, 20 were fully vaccinated, and 52 had unknown vaccination status. There are currently 443 people in quarantine and 20 in isolation, with the latest end of quarantine set for February 24.

  • The measles outbreak in South Carolina began in October 2025.
  • As of January 30, 2026, the state has reported 847 total measles cases.

The players

South Carolina Department of Public Health

The state health agency responsible for monitoring and responding to the measles outbreak in South Carolina.

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The takeaway

The South Carolina measles outbreak underscores the importance of maintaining high vaccination rates to prevent the spread of highly contagious diseases. Health officials warn the outbreak could continue for weeks or months, highlighting the need for improved public health measures to address lagging vaccine uptake and protect vulnerable populations.