| prevalence and distribution of soil-transmitted helminth (sth) infections in urban and indigenous schoolchildren in ortigueira, state of paranà, brasil: implications for control. | soil-transmitted helminth (sth) infections represent a major public health problem in poor and developing countries. during the period september-october 1998 we conducted an epidemiological survey of sth infections in schoolchildren of an urban area (group a) and an indigenous reserve (group b), in the municipality of ortigueira, state of paranà, brazil, to assess potential benefits of mass treatment. stool samples were examined for helminth eggs by quantitative (kato-katz) technique to determin ... | 2000 | 10810031 |
| soil transmitted helminth (sth) infections in an indigenous community in ortigueira, paraná, brazil and relationship with its nutritional status. | within the frame of world health organisation (who) guidelines for the control of soil transmitted helminth (sth) infections, a baseline survey has been conducted in queimadas indian schoolchildren (group a) as compared with urban schoolchildren (group b), both located in ortigueira, paraná, brazil, with the aim of orientating investigations. in an opportunistic study, the possible relationship between sth infection and nutritional status has been investigated. a total of 236 schoolchildren aged ... | 2002 | 12701374 |
| blastocystis hominis and other intestinal parasites in a community of pitanga city, paraná state, brazil. | the objective was to estimate the prevalence of blastocystis hominis, to evaluate the effectiveness of different techniques for its diagnosis as well as to estimate the prevalence of other intestinal parasites in the community of campo verde, a district of pitanga. the work was carried out from august to october 2004. samples of feces from children and adults were collected and submitted to the techniques of direct wet mount, flotation in zinc sulphate solution, tube sedimentation, sedimentation ... | 2005 | 16138204 |
| serological, clinical and epidemiological evaluation of toxocariasis in urban areas of south brazil. | toxocariasis is a worldwide public-health problem that poses major risks to children who may accidentally ingest embryonated eggs of toxocara. the objectives of this study were to investigate the occurrence of anti-toxocara spp. antibodies in children and adolescents and the variables that may be involved, as well as environmental contamination by toxocara spp. eggs, in urban recreation areas of north central mesoregion, paraná state, brazil. from june 2005 to march 2007. a total of 376 blood sa ... | 2010 | 20464126 |
| [prevalence of enteroparasitosis in the population of maria helena, paraná state]. | the epidemiological study on intestinal parasites has the purpose of determining the main diseases and their respective etiologic agents, which are endemically or epidemically spread worldwide. the aim of this study was to evaluate the enteroparasitosis infection prevalence, in which age group they prevail, relating the infection with age, gender, and the region in which the person lives, in the city of maria helena - pr. data collection was performed from june of 2004 to may of 2006. 431 sample ... | 2010 | 20464203 |
| enteroparasite contamination in peridomiciliar soils of two indigenous territories, state of paraná, southern brazil. | to determine 1) the degree of soil contamination by parasites; 2) the prevalence of contaminated samples; 3) the overall number of parasitic forms, by distance between the collection site and the domicile; 4) the mean number of parasite forms per peri-household area; and 5) the variables associated with the total number of parasite forms. | 2010 | 20721441 |