Measles cases surge in South Carolina as U.S. risks losing elimination status

TL;DR

South Carolina has reported an additional 88 measles cases, bringing the state's total to 646 since October.
The ongoing spread of measles cases raises concerns about the U.S. losing its measles elimination status.
The outbreak is centered in Spartanburg County, with recent public exposure locations including schools, a supermarket, and the state museum.
Experts attribute the outbreak to under-vaccination in close-knit communities.
Measles is highly contagious and can lead to severe infections, hospitalization, and death.
The measles vaccine (MMR) is highly effective and safe, but vaccination rates have dropped in recent years.
The U.S. recorded over 2,240 measles cases in 2025, the most in 30 years.
As of January 13, 2026, 171 measles cases have been recorded nationwide.
Canada lost its measles elimination status in November.
The Pan American Health Organization will review the U.S. and Mexico's elimination status in April.
Vaccination is the most effective way to prevent measles, with the two-dose MMR series being 97% effective.

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