<?xml version="1.0" encoding="UTF-8"?><urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9" xmlns:news="http://www.google.com/schemas/sitemap-news/0.9" xmlns:image="http://www.google.com/schemas/sitemap-image/1.1"><url><loc>https://www.healthbeat.org/2026/10/06/cyclospora-scientific-unknowns-food-contamination/</loc><lastmod>2026-10-06T17:36:39.328Z</lastmod><changefreq>always</changefreq><priority>0.5</priority><news:news><news:publication><news:name>Healthbeat</news:name><news:language>en</news:language></news:publication><news:publication_date>2026-10-06T17:36:39.328Z</news:publication_date><news:title><![CDATA[Much about cyclospora remains a mystery to scientists, even how it contaminates lettuce and other food]]></news:title></news:news><image:image><image:loc>https://www.healthbeat.org/resizer/v2/56HXJLDSCRHQTFG5XLDQBH64ZY.jpg?auth=1da25815e0f5696ab4a538102a1e37bffdf8644284b4ab28fb20444c35021ce0&amp;smart=true&amp;width=1200&amp;height=1200</image:loc><image:caption><![CDATA[The microscopic parasite Cyclospora cayetanensis sickened thousands across the country this summer. Ingesting the parasite’s oocytes, like the four shown here, causes diarrheal disease in humans. ]]></image:caption></image:image></url></urlset>