Storyline
2026 cyclosporiasis multi-state outbreak
One page that accretes the verified record as the story develops. Every fact keeps its date and its sources.
1 DAYS
27 FACTS
2 EVENTS
4 SOURCES
FIRST ENTRY JUL 11
JUL 11 · Day 1
Cyclosporiasis outbreak spreads across multiple states including Michigan
Dianna Blau, acting chief of the CDC’s Parasitic Disease Branch, stated that the U.S. reported 2,700 cyclosporiasis cases in all of 2025.
The CDC and the FDA are currently investigating several outbreaks of cyclosporiasis.
The national tally shows over 6,700 confirmed or probable cases of cyclosporiasis have been reported in the U.S. in 2026.
JUL 10
Cyclosporiasis outbreak hospitalizes dozens across multiple states
The CDC reported 843 confirmed cases of cyclosporiasis nationally across 31 states as of July 9.
The cyclospora parasite generally does not spread directly from person to person.
Michigan reported 1,562 cases of cyclosporiasis between June 22 and July 10.