SCDPH declares end to measles outbreak in the Upstate

(Courtesy: SCDPH)

SOUTH CAROLINA (WOLO) – The South Carolina Department of Public Health has declared a formal end to the measles outbreak in the Upstate that totaled 997 cases from October 2025 through March of this year.

According to health officials, the last confirmed case was reported March 15, and a period of 42 days of no new cases is required to declare the end of a measles outbreak, which was reached Sunday.

This number is double the number of days for an incubation period (21 days) and is a clear indicator of a broken transmission chain.

Officials say this is the largest reported measles outbreak in the United States in more than 35 years.

DPH Interim Agency Director Dr. Edward Simmer said in part quote:

“I wish to humbly and profoundly thank the many South Carolinians whose hard work prevented this outbreak from becoming far larger and more serious than it could have become. I am very thankful for their efforts and support during this challenging time.”

He also continues to encourage people to get the measles vaccine, which is 97% effective.

A virtual media briefing will be held this afternoon at 1 p.m.

Stay with ABC Columbia for updates.