Cyclospora Outbreak Spreads Across US Midwest — 1,250 Cases in Michigan, 17 States Affected

Michigan has reported 1,250 cases of cyclospora infection, while CDC surveillance has detected cases across 17 US states. The CDC has launched a traceback investigation, as the source of the outbreak has not yet been identified. Cyclospora is a parasitic intestinal illness typically spread through contaminated food or water.