Measles cases in the United States have reached their highest number in more than 30 years, according to new federal data published Wednesday.

There have been 1,288 confirmed measles cases across 38 states nationwide, according to the Centers for Disease Control and Prevention (CDC). By comparison, the U.S. recorded 285 cases all of last year, CDC data shows.

This marks the highest number of cases since 1992. The previous high occurred in 2019 when the U.S. reported 1,274 cases.

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