| the use of morbidity questionnaires to identify communities with high prevalences of schistosome or geohelminth infections in tanzania. | parasitic infections were investigated in morogoro rural district, tanzania, between october 1992 and june 1993. a total of 4589 schoolchildren (aged 7-17 years) from 30 primary schools was screened for infection with ascaris lumbricoides, trichuris trichiura, hookworms (3456 children only), schistosoma mansoni and s. haematobium. the children were also asked about their recent experiences of the following: diarrhoea, abdominal pain, blood in stool, perception of suffering from schistosomiasis, ... | 1998 | 9861358 |
| the population biology and epidemiology of schistosome and geohelminth infections among schoolchildren in tanzania. | a study of helminth infections was undertaken among 3244 schoolchildren from 28 schools in morogoro rural district, tanzania. schistosoma haematobium was the most common infection, followed by hookworms, ascaris lumbricoides, s. mansoni, and trichuris trichiura. infection prevalence of each species varied among schools and age groups, but not between sexes. there was no relationship between the prevalences of different infections among schools, except for a strong negative correlation between th ... | 1998 | 9861359 |