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CDC reports U.S. measles cases exceed 4,000 this year

Confirmed cases reached 4,080 as of Thursday, far above the 2,289 recorded in 2025.

The short version

  • CDC reported 4,080 confirmed U.S. measles cases as of Thursday, topping 4,000 this year.[CBS News]
  • The current total far exceeds 2025's 2,289 cases, which was the most in three decades.[CBS News]
  • Most states and Washington, D.C., have reported cases, and AP calls it the worst U.S. year since 1991.[Associated Press · CBS News]

Key facts

  • CDC reported 4,080 confirmed U.S. measles cases as of Thursday, topping 4,000 for the year.[CBS News]
  • The current-year total far surpasses the 2,289 measles cases recorded in 2025.[CBS News]
  • 2025 had the most measles cases in three decades.[CBS News]
  • Most states and Washington, D.C., have reported measles cases.[CBS News]
  • The AP reports the U.S. is experiencing its worst year for measles since 1991.[Associated Press]
  • Large outbreaks have been reported in Texas, Utah, South Carolina, and Pennsylvania.[Associated Press]
  • Only five states have not reported any measles cases.[Associated Press]
  • Measles was declared eliminated in the United States in 2000.[Associated Press]

What remains uncertain

  • The sources do not say whether the 4,080 case count will be revised or how the outbreaks will develop.[Associated Press · CBS News]

Sources

Outlet counts describe coverage, not independent confirmation. Reports may share a wire service or original source.