Federal Officials Expected to Declare End to Major Cyclosporiasis Outbreak Linked to Iceberg Lettuce
Federal officials are expected to declare the end of a major cyclosporiasis outbreak that affected 20 states across the US and was linked to iceberg lettuce. The outbreak sickened thousands, leading to hospitalizations and some deaths, with Michigan being the…

Denver, CO, September 11, 2026 — Federal officials are anticipated to soon declare an end to a significant cyclosporiasis outbreak that has impacted communities across the United States. The widespread health issue, which has affected 20 states, has been linked to iceberg lettuce.
The outbreak resulted in thousands of reported illnesses, with numerous individuals requiring hospitalization. The summary also notes that some deaths are associated with this outbreak, indicating the severity of the public health concern.
Michigan has been identified as the state most severely affected by the cyclosporiasis outbreak. Specific details regarding the total number of hospitalizations, the exact number of deaths, or the timeline of the outbreak’s progression were not provided in the summary.
Cyclosporiasis is an intestinal illness caused by the microscopic parasite Cyclospora cayetanensis. People typically become infected by consuming contaminated food or water. Symptoms often include watery diarrhea, loss of appetite, weight loss, cramping, bloating, gas, nausea, and fatigue. Some people may also experience vomiting, fever, or body aches.
The investigation into the source of the contamination identified iceberg lettuce as the likely vehicle for the pathogen. Further details on the specific farms, distributors, or retail locations involved were not included in the available information.
As federal agencies prepare to close their investigation and declare the outbreak over, the long-term health and economic impacts on affected regions and individuals are not detailed.
Story summarized from the original created by Jacqueline Howard, Norma Galeana, CNN Newsource on www.denver7.com, see more information here.