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Cyclospora Outbreak Linked to Lettuce Expands Investigation Across 20 States

The U.S. has broadened its investigation into a cyclosporiasis outbreak connected to lettuce, now covering 20 states. Consumers are advised to be cautious with lettuce purchases amid health concerns.

9/18/2026, 12:16:09 PM

Federal health officials in the United States have expanded their investigation into a cyclosporiasis outbreak that is linked to lettuce. Originally focused on specific regions, the inquiry now encompasses 20 states, signaling a growing concern over the potential health risks associated with contaminated produce. Cyclospora cayetanensis, the parasite responsible for this gastrointestinal infection, often leads to severe diarrhea and other digestive issues. Health authorities are now delving deeper to understand the scope and source of the contamination. Consumers are being urged to exercise caution when purchasing lettuce products and to pay close attention to any advisories that may arise as a result of this investigation. Health experts emphasize that washing vegetables thoroughly can help reduce the risk of contracting this illness, although it may not eliminate the threat entirely if the produce is severely contaminated. Investigators are currently working with retailers, suppliers, and growers to track the source of the affected lettuce. This collaboration aims to identify the farms or processing facilities implicated in the outbreak, which could lead to targeted recalls and preventive measures to curb further infections. As public health officials work to resolve this outbreak, they encourage anyone experiencing symptoms like diarrhea, stomach cramps, and nausea to seek medical attention promptly. Reporting cases to health departments can assist in tracking the spread and potentially mitigating future outbreaks. The expanding nature of this investigation serves as a reminder of the importance of food safety and the potential risks associated with produce consumption. More updates are expected as federal agencies continue to probe the issue.

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