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Measles Spreads Fast: South Carolina's Record-Breaking Outbreak

South Carolina, USAWednesday, January 28, 2026
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South Carolina is experiencing a significant measles outbreak, surpassing Texas's previous record of 762 cases from last year. This is alarming as the U.S. was declared measles-free in 2000, and this outbreak threatens that status.

Outbreak Details

  • Start Date: October
  • Cases: 789 (up from 218 in just one month)
  • CDC Report: 416 cases nationwide (already outdated)

Measles: A Highly Contagious Disease

  • Transmission: Can stay in the air for up to two hours after an infected person leaves.
  • Infection Rate: 90% of unvaccinated people exposed will get sick.
  • Symptoms: High fever, rash (can spread before rash appears).

Affected Areas

  • Schools: 23 identified with cases; 20 have unvaccinated students quarantined.
  • Public Places: 8 locations, including grocery stores and a skating center.

Vaccination Status

  • Unvaccinated/Unknown Status: 97% of the 789 cases.
  • Vaccine Effectiveness: 97% effective with two doses, providing lifelong protection.

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