The total number of measles cases in the United States has already surpassed the total amount recorded in 2025, with over five months still left in the year. The CDC had logged 2,318 cases of measles as of Thursday, July 23, the agency said. 2025 had the highest number of recorded cases in more than three decades. Since the early ’90s, measles cases declined in line with high vaccination rates and measles was declared eradicated in 2000. In the U.S., death from neurologic or respiratory complications of measles occurs in one to three of every 1,000 cases.