WASHINGTON — Measles cases continue to rise in the U.S., as the country confronts the highest number of virus cases in decades.

The U.S. confirmed the highest number of measles cases in more than three decades back in July, according to data from the Centers for Disease Control and Prevention (CDC). Since then, there have been around 300 more confirmed cases in the three months since the country broke that milestone.

At least 1,563 cases have been reported across 42 states as of Oct. 7, the CDC reports. For comparison, there were only 285 confirmed measles cases in the U.S. in 2024. This year's spike is a 500% increase from last year's numbers, with more than two months left in the year.

The last time the U.S. saw more measles cases was 33 years ago, in 1992, when 2,126 confirmed cases

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