| [human intestinal parasites in subsaharan africa. ii. sao tomé and principe]. | in 1983 the authors carried out a survey in the democratic republic of são tomé and principe, analysing 1050 specimens of stools collected among the population from apparently healthy subjects chosen at random and in a number proportional to the distribution of the population in the regions of the country (about 1% of the population was examined). the examined subjects were divided into 3 age groups (0-3, 4-12, more than 12 years old), to have homogeneous groups in relation principally to modali ... | 1987 | 3508506 |
| schistosomiasis in the republic of são tomé and principe: human studies. | the only schistosome species found in stool specimens in the local population of the republic of são tomé is schistosoma intercalatum. an initial survey of schoolchildren showed an overall prevalence of 10.9%, with some schools reaching 29%. no s. haematobium egg was found in 782 urine specimens from the local population, although some were seen in the urine of angolan soldiers stationed near the capital city. one village in the endemic area, san marçal, had an s. intercalatum prevalence of 43%, ... | 1994 | 7570818 |
| prevalence, behavioural and social factors associated with schistosoma intercalatum and geohelminth infections in são tomé and principe. | a pilot study was conducted in schoolchildren from three main districts of são tome to assess the relationship between the prevalence of infections caused by schistosoma intercalatum or intestinal helminths and individual behaviour and social conditions. coprological examination revealed an increase of schistosome infections and a persisting high endemicity for ascariasis and trichuriasis. infection rates were 36.2% for s. intercalatum and 70.8%, 68.5% and 4.6% for ascaris lumbricoides, trichuri ... | 2005 | 16252477 |