Published July 29, 2026 All Meta This is a summary of a story written by Esther Ellis on Duke Health Blog. Thousands of people across the country have gotten sick this summer after eating produce contaminated with the parasite cyclospora. Keley Brennan, a nurse practitioner at Duke Health Family Medicine Mooresville, explains what you need to know to recognize the illness, get treatment and reduce your risk. Washing produce may reduce risk, but cooking it to at least 158 degrees Fahrenheit reliably kills the parasite. For the full story, go to Duke Health.