The cyclosporiasis outbreak linked to shredded iceberg lettuce has now spread across nine states, according to the latest update from the Centers for Disease Control and Prevention (CDC). Health officials are urging consumers to check labels and avoid affected products as the investigation continues. The parasite Cyclospora cayetanensis causes intestinal illness, which can last for weeks if untreated. The CDC has identified a common supplier of shredded iceberg lettuce used in fast-food restaurants and packaged salads, though no recall has been issued yet. Consumers in states including Iowa, Nebraska, and Minnesota have reported cases, with dozens hospitalized. The outbreak has intensified public concern about food safety, particularly for fresh produce that is often consumed raw. Cyclosporiasis symptoms include watery diarrhea, appetite loss, and fatigue, and diagnosis requires a stool test. Health experts stress that thorough washing of produce may not remove the parasite, making prevention reliant on industry safety practices. The CDC is working with the Food and Drug Administration to trace the contamination source, but no single farm or processor has been pinpointed. Meanwhile, a CBS News poll shows that many Americans are altering their eating habits, avoiding bagged salads and lettuce items altogether. The outbreak has been dubbed "lettuce-gate" on social media, reflecting growing public mistrust of leafy green supply chains. This event also raises fears that more severe foodborne illnesses could emerge if safety gaps remain unaddressed.
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Cyclosporiasis Outbreak Linked to Shredded Iceberg Lettuce Expands to 9 States
Published July 27, 2026 at 12:03 PM UTC