| malaria, schistosomiasis, and intestinal helminths in relation to microdams in tigray, northern ethiopia. | a survey was undertaken in tigray, northern ethiopia, to assess the prevalence of malaria, schistosomiasis, and intestinal helminths in relation to microdams. the survey took place from march to june 1995, during the dry season, at 41 microdams. at each site the village nearest the dam (within thirty minutes walk) was selected, ten households were randomly chosen, and all family members were examined for malaria and intestinal parasites. the overall study sample was 2271 people, of all age group ... | 1998 | 10376281 |
| the status of schistosoma mansoni and snail hosts in tigray and northern wello regions, northern ethiopia. | a survey of schistosoma mansoni infection and snail hosts was carried out in 1992 in six accessible schools and 11 water bodies respectively. five to ten per cent of the students were randomly selected for stool examination by the ritichie's method. in adwa town, however, stools of 100 students out of the 199 selected were re-examined by kato's method to assess intensity of infection. results of stools examined by ritichie's method showed that s. mansoni positive patients were present in four ou ... | 1994 | 7835353 |