The measles outbreak in South Carolina reached 876 cases on Feb. 3, 2026. That number surpasses the 2025 outbreak in Texas and hits the unfortunate milestone of being the largest outbreak in the U.S.

Because measles is so contagious, experts say that vaccination rates need to be above about 95 percent to stem the spread of the virus. In recent years, the rate has fallen well below that critical ...

As South Carolina's outbreak grows to 876 confirmed cases, vaccinations in the state surged in January. Cases have also been ...

State health officials reported that 89 new measles cases have been confirmed since Jan. 23, bringing the total number of ...

South Carolina has reported nearly 800 measles cases since an outbreak began in October, with no signs of slowing, according to the latest data from the state’s health department. As of Jan. 27, 789 ...

It is the largest outbreak in the United States since the disease was declared eliminated in 2000.

The South Carolina measles outbreak has surpassed the recorded case count in Texas' 2025 outbreak, as health officials have logged almost 600 new cases in just over a month. The outbreak centered in ...