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Fecal occult blood (FOB) (negative, weak positive, and strong positive) and Schistosoma mansoni infection intensity (negative, light infection, and medium/heavy infection), Uganda. Column widths represent a ratio of 80:11:10 of children with negative, weak positive, and strong positive FOB results and a ratio of 39:6:5 of mothers with negative, weak positive, and strong positive FOB results.
