South Carolina Measles Outbreak 2026: Cases Double in Seven Days
Measles cases in South Carolina have doubled in just one week, reaching 434. Mobile health units are now offering free MMR vaccines in the Spartanburg epicenter.
The measles outbreak in South Carolina is wildly accelerating. The case count just doubled in a single week, hitting a total of 434 infections. According to state health officials, 409 people are currently in quarantine as the measles virus spreads through local communities at an alarming rate since its start in October.
Timeline of the South Carolina Measles Outbreak Surge
Data released by South Carolina health officials shows a steepening curve. On Tuesday, January 13, the state reported 124 new cases since last Friday. That Friday update itself had seen 99 new cases. Just a week prior, on January 6, the total stood at 211. The virus has now infected more people in the last 7 days than it did in the first two months of the outbreak.
| Date | New Cases Reported | Total Outbreak Cases |
|---|---|---|
| Jan 6, 2026 | 26 | 211 |
| Jan 9, 2026 | 99 | 310 |
| Jan 13, 2026 | 124 | 434 |
Emergency Response in Spartanburg Epicenter
Health departments are activating mobile units in Spartanburg, the epicenter of the crisis. These units are offering free MMR (measles, mumps, and rubella) vaccinations today, January 15, and Thursday at two primary locations. Officials hope these accessible clinics will reverse the trend of low vaccine uptake that's plagued the region since the outbreak began.
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