Cases of the measles virus have made a resurgence across the U.S. this year, a trend that comes amid dropping vaccination rates among U.S. adults and children since 2020. Public health officials are turning to data as one defense mechanism against such trends to help identify high-risk areas and target vaccination resources in communities.
As of Dec. 9, there have been 1,912 measles cases and 47 outbreaks reported across the nation in 2025, according to the U.S. Centers for Disease Control and Prevention. Texas leads the nation with 803 confirmed cases, followed by 169 in Arizona and 123 in South Carolina. In 2024, the total number of measles cases nationwide was 285.
“Right now, the measles outbreak that we’re seeing in the United States is rapidly growing out of control,” said Dr. Georges Benjamin, executive director of the American Public Health Association…