Storyline
2026 US measles national surge
One page that accretes the verified record as the story develops. Every fact keeps its date and its sources.
4 DAYS
16 FACTS
2 EVENTS
1 SOURCES
FIRST ENTRY JUL 24
JUL 27 · Day 4
Measles becoming common enough that treatments may be needed
JUL 24 · Day 1
US measles cases reach 35-year high for second straight record-breaking year
Experts say vaccination rates must remain above 95% to prevent measles outbreaks.
The US has recorded more measles cases in 2026 than in any other year since 1991.
Nearly 2,300 measles cases were reported in the US in 2025.