Cyclospora outbreaks start with human contamination. Nobody has ever been able to figure out how

By Brenda Goodman, CNN (CNN) — As cases of explosive diarrhea continue to rise across the US this summer, health officials are grappling with a longstanding question about the tiny parasite that’s behind all this torment: Just how the heck is poop getting into our food? The appalling truth about cyclospora is that humans are