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
Nearly 2,300 measles cases were reported in the US in 2025.
Measles was declared eliminated in the US in 2000.
An outbreak in Spartanburg County, South Carolina that started in October became the largest the US has seen in decades with nearly 1,000 cases before ending in April 2026.