[Longitudinal survey of schistosomiasis control in the Nanzhang Project Area, Shanghai].
D000293:Adolescent; D000328:Adult; D000818:Animals; D002648:Child; D002675:Child, Preschool; D002681:China; D004199:Disease Vectors; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D008137:Longitudinal Studies; D008875:Middle Aged; D012552:Schistosomiasis / Q000453:epidemiology / Q000517:prevention & control*; D012908:Snails / Q000469:parasitology; D013997:Time Factors