Various studies, which indicated a relation between the white race and the form of hepatosplenic schistosomiasis mansoni were selected and analyzed. Woolf's test was used, and the samples were found to be homogenous in spite of their diversity as, especially, were the racial classification criteria. This reinforces the observation that white individuals are more affected by the hepatosplenic form. It is sitll dubious, however, if this association stems primarily from a biological effect or from a social factor related to race.
Schistosomiasis hepatosplenic; Caucasoid race