The Brief Cyclosporiasis cases in Michigan continue to be reported, with more than 400 new cases reported Tuesday. That puts the case count for this outbreak at more than 6,500 people in Michigan. The cyclosporiasis outbreak in Michigan continues to expand, with cases topping more than 6,500 Tuesday. Michigan cyclosporiasis outbreakCyclosporiasis outbreak as a foodborne parasitic illness caused by Cyclospora cayetanensis as an outbreak with contaminated food or water resulting in explosive diarrhea and digestive illness. READ MORE: Cyclosporiasis: FDA says Taylor Farms lettuce sample provided 'false positive'What we don't know:The timeline of when these new patients first started experiencing symptoms is unclear.