Measles Cases in South Carolina Stand at 997

The outbreak might be nearing containment, as only one new case was reported in recent days.
March 18, 2026

Key Highlights

  • - The South Carolina outbreak has seen a decline in new cases and quarantine numbers, suggesting containment is near.
  • - Nationwide, measles cases are at a record high, with 1,362 cases reported across 30 states since January 1.
  • - Children aged 5 to 17 and under 5 are most affected, with 94% of cases involving unvaccinated individuals.
  • - North Dakota reports 26 cases this year, its first since 2011, indicating the disease's resurgence in previously unaffected areas.
  • - Continued vaccination efforts are crucial to prevent further spread and protect vulnerable populations.
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The South Carolina measles outbreak reported only one new case in recent days, standing currently at 997. CIDRAP has the news.

The relative lack of new cases suggests the outbreak “may be nearing containment.” There are currently only eight people in quarantine and none in isolation, “the lowest numbers recorded since the outbreak began.” 639 of the 997 cases are “among children ages 5 to 17 years, and 263 are in those under the age of 5 years.” The vast majority of the case patients (94%) are unvaccinated.

The U.S. has tracked 1,362 measles cases since January 1, which puts it on a record-setting track. 30 states are currently reporting measles cases. North Dakota, for instance, has reported 26 cases so far this year after observing no activity since 2011.

About the Author

Matt MacKenzie
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Matt MacKenzie

Associate Editor

Matt is Associate Editor for Healthcare Purchasing News.

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