South Carolina Measles Outbreak Ends After Nearly 1,000 Cases
A measles outbreak in South Carolina has ended after infecting 997 people, making it the largest outbreak in recent U.S. history. The outbreak was centered around Spartanburg County, with most cases spreading among close contacts of infected people.
South Carolina health officials declared an end to a massive measles outbreak that infected 997 people, making it the largest outbreak in recent U.S. history. The South Carolina Department of Public Health reported the final case count as of April 21, 2026.
The outbreak was centered in Spartanburg County, with the majority of cases spreading among close contacts of known infected people. Health officials had been tracking the outbreak as it approached the 1,000-case mark.
Measles is a highly contagious virus that spreads through the air when infected people cough or sneeze. It can cause fever, cough, runny nose, and a full-body rash. In severe cases, it can lead to pneumonia, brain swelling, and death.
The outbreak highlights concerns about measles spreading in communities with lower vaccination rates. The measles vaccine is highly effective at preventing the disease when given according to recommended schedules.
This outbreak shows how quickly measles can spread in communities. Measles is highly contagious and can cause serious complications, especially in young children and people with weak immune systems.
Health officials will monitor for any new cases and continue promoting measles vaccination in affected areas.
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