Us Measles Cases December 2025 Update. Measles cases are rising in the u.s. The texas department of state health services (tdshs) today reported 10 more measles cases in an outbreak centered in a pocket of western rural counties, raising the outbreak total to 58 since early february.

That figure is roughly 10 percentage points lower than the average vaccination rate in texas public schools and far below the federal target of 95 percent for measles. Nearly lost its elimination status with almost 1,300.