US measles cases near 5,200 as symptom guides spread
The gist
The CDC reports nearly 5,200 measles cases across 45 states and Washington, D.C. this year, with eight deaths.
Symptom guides matter because measles is the most contagious infection known.
How it unfolded
- Nov 6, 2026The CDC reports nearly 5,200 measles cases across 45 states and Washington, D.C. so far this year, with eight deaths including an infant in Wisconsin — the state's first measles-related death since 1990.
- Nov 6, 2026Quartz publishes a day-by-day guide to measles symptoms covering incubation, the cold-like early phase, Koplik spots, the rash starting at the hairline, the contagious window, complications and urgent-care signs.
- Nov 6, 2026UCHealth reports thousands may have been exposed to measles at Denver International Airport as U.S. cases keep surging.
Key terms
- CDC
- The national public health agency of the United States.
- MMR
- A combination vaccine that protects against measles, mumps, and rubella.
- Koplik spots
- Small white lesions on the inner cheek that appear before the measles rash and are characteristic of measles.
Source: Wikipedia