Cyclospora infection symptoms: A widespread foodborne parasite outbreak, Cyclospora, has impacted at least 145 people across 17 US states, with a separate surge in Michigan sickening over 150. Health officials are investigating a potential domestically sourced contaminated food product, as infections are typically linked to international travel. Symptoms include prolonged diarrhea and digestive issues. Investigations are ongoing to pinpoint the exact source of contamination.