Measles Resurgence Deepens as South Carolina Outbreak Expands

CDC recorded 2,267 measles cases in 2025 as South Carolina reports hundreds of infections tied to a Spartanburg-area outbreak.

Overview

A summary of the key points of this story verified across multiple sources.

1.

The Centers for Disease Control and Prevention reported 2,267 confirmed measles cases in 2025 and 588 confirmed cases so far this year, with many infections linked to a large South Carolina outbreak, officials confirmed.

2.

The South Carolina Department of Health logged 847 cases centered in Spartanburg County and said hundreds of exposed, unvaccinated contacts have been placed under 21-day quarantine, state epidemiologist Linda Bell said.

3.

Health and Human Services Secretary Robert F. Kennedy Jr. has given mixed public statements on the MMR vaccine while HHS maintained that vaccination is "the most effective way to prevent measles," a department spokesperson said.

4.

Two doses of the MMR vaccine are about 97% effective and CDC records show 93% of 2025 cases were among people who were unvaccinated or whose vaccination status was unknown.

5.

Public health experts warned the U.S. risks losing its measles-elimination status and said mobile vaccination clinics, targeted outreach and continued quarantines will continue as officials track outbreaks, local doctors and health officials said.

Written using shared reports from
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Analysis

Compare how each side frames the story — including which facts they emphasize or leave out.

Center-leaning sources frame the outbreak as a preventable public-health crisis, prioritizing medical experts and vaccination statistics while presenting vaccine-hesitant voices as anecdotal or misinformed. Language emphasizes urgency and failure (e.g., "public health threat", "real-world experiment"), and coverage links policy shifts and community demographics to rising cases.

FAQ

Dig deeper on this story with frequently asked questions.

As of late January 2026, the CDC has confirmed 588 measles cases in the US, with South Carolina reporting 847 cases in its ongoing outbreak centered in Spartanburg County.

Two doses of the MMR vaccine are about 97% effective at preventing measles.