Water-Borne Helminthiases: Schistosomiasis (Bilharziasis)
A special feature of the geomedical situation of the Philippines archipelago is the presence of a disease which occurs only in some of the islands and in connection with an amphibian species of snail, which was in turn found early in this century to depend upon a parasitic worm, the oriental blood fluke Schistosoma japonicum. The clinical picture of the Philippine schistosomiasis is classified as one of the hepatolienal forms, and is characterised by a chronic progress which, when undetected, very often leads to prolonged ill health and loss of the capacity to work.
KeywordsEndemic Area Intermediate Host Infected Person Final Host Prepatent Period
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