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

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?

​ 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? Read More Breaking News, Latest News and Videos | CNN