Measles cases in the United States for 2026 have now exceeded last year's total. This year's infections have reached a level not seen since 1991. Forty-three states and Washington, DC, have reported at least one case. Vaccine policy changes occurred after Robert F. Kennedy Jr. became secretary. CDC scientists were fired and local health funding was frozen.

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