The Centers for Disease Control and Prevention is investigating a multi-state outbreak of cyclosporiasis after federal and state reports show hundreds of cases and at least 20 hospitalizations.Michigan and New York are the hardest-hit areas, with Michigan reporting spikes that include more than 170 cases in just over a week and other reports noting over 300 cases since late June, while New York state and New York City have recorded sharp increases.Cyclospora cayetanensis spreads through contaminated fresh produce or water; the
CDC and the Food and Drug Administration are tracing potential sources, urging clinicians to test symptomatic patients, and advising the public to wash produce and report positive tests to local health departments.