‘Explosive diarrhoea’ outbreak remains a mystery as officials struggle to find sources  BBCCan washing produce help prevent cyclosporiasis? What experts recommend.  The Washington PostThe foods most likely to carry diarrhea-causing parasite cyclospora (and which are safe)  The HillLettuce or salad greens could be source of diarrhea-causing illness, Michigan health officials say  NBC NewsWhy washing your fruit and vegetables won’t save you from the parasite causing ‘watery diarrhea’  National Post