CDC Confirms 1,645 Cyclosporiasis Cases Across 34 States; No Deaths Reported

The Centers for Disease Control and Prevention confirmed 1,645 cases of cyclosporiasis across 34 states as of Tuesday, July 14, 2026. The outbreak, which began in May, has led to 141 hospitalizations and no deaths. The Food and Drug Administration traced iceberg lettuce from Mexico supplied by Taylor Farms to Taco Bell locations in five states.

Investigators identified shredded iceberg lettuce from the supplier as a potential contamination source. Taco Bell voluntarily removed ingredients including lettuce, cilantro, onion, pico de gallo and guacamole from menus at select restaurants in the Detroit area on Tuesday, July 14. The company described the step as a precautionary measure.

Michigan reported 4,312 confirmed cases and 102 hospitalizations as of Thursday, July 16, including an additional 600 cases recorded that day. State health officials identified lettuce and salad greens as a potential source after more than 1,000 interviews with people who tested positive. The CDC announced an investigation into more than 400 cases in Michigan, Ohio, West Virginia and Kentucky.

The agency is also examining roughly 5,100 additional possible cases. The parasite's incubation period, which can reach two weeks, has slowed source confirmation. Taylor Farms supplied salad mix linked to a 2013 cyclosporiasis outbreak that sickened 631 people in 25 states and slivered onions tied to a 2024 E.

Coli outbreak that sickened 104 people in 14 states and caused one death.