Infrastructure neglect and poverty lead to parasites in the Mississippi Delta

New research suggests parasitic infections in US south are far more widespread than previously acknowledged

For years, Marecitta Dorsey's four children - ages seven to 14 - suffered regular bouts of nausea, vomiting and sore stomachs. Their unexplained symptoms were bad enough to keep them out of school a few days each month.

My eldest would tell me, I feel like my tummy's burning,'" recalled Dorsey. Every week I was taking at least one kid to the doctor because of something with their stomach."