Confirmed Measles Cases in U.S. So Far This Year Rises to 607

The number of confirmed measles cases in the U.S. has grown to 607 so far in 2025. The CDC has the update.

93% of these cases (567 of the 607) are associated with six outbreaks; in comparison, in 2024, “16 outbreaks were reported…and 69% of cases (198 of 285) were outbreak-associated.” 22 jurisdictions have had cases confirmed so far this year.

Of the 607 cases, 32% of the patients have been under five years old, and 40% of the patients have been between the ages of 5 to 19. 26% of the patients have been over 20, and about 2% are of unknown age. 97% of the patients are unvaccinated or have unknown vaccine status. 12% of all cases thus far have resulted in hospitalization; 21% of the 196 cases in children under five years of age have required the patient to be hospitalized. So far, there has been only one confirmed death from measles this year, and one other death is currently under investigation.

HPN has previously reported on the measles outbreaks as recently as last week, when the total stood at 483.