2026 has seen an unusually large surge in cyclosporiasis-related food poisoning in the US, according to CBS News. The CDC reported more than six times as many confirmed domestically acquired cases as it had by roughly the same point in 2025. The Illinois Department of Public Health has reported more than 400 confirmed and probable cases in the state so far. Dozens of people have been hospitalized.
If you or someone in your family developed cyclosporiasis during this surge, you may be wondering whether you have a legal claim. An Illinois food poisoning attorney can review your case and help you understand your options.
What Caused the 2026 Cyclosporiasis Outbreak?
Cyclosporiasis is an intestinal illness caused by a microscopic parasite called Cyclospora. It’s usually spread through food or water contaminated with feces. It commonly turns up in fresh produce that isn’t cooked before it’s eaten.