The number of measles cases in 2026 officially passed last year’s record.According to the latest CDC data, there have been 2,318 cases so far in 2026 — nearly 30 more cases than last year’s 2,289. This is the highest number of cases in one year since 1991, according to the CDC.

Measles cases in the United States have just passed a "grim milestone", reaching numbers that haven't been seen in 35 years.

The United States has recorded more measles cases this year than in any year since 1991, with more than five months still left on the calendar.

Measles vaccines helped the U.S. eliminate measles 26 years ago

2026 has become the worst year for measles since 1991

The U.S. has surpassed 2025’s record for measles cases, with five months left in 2026