| prevalence of multi-gastrointestinal infections with helminth, protozoan and campylobacter spp. in guatemalan children. | the prevalence of multi-infections with helminthes, protozoans and campylobacter spp. in guatemalan children is a reflection of differences in the risk factors related to pathogen transmission. | 2009 | 19759480 |
| effect of tourism and trade on intestinal parasitic infections in guatemala. | a survey was performed to determine if infection with gastrointestinal parasites differs between the rural and urban poor inhabitants of guatemala. a total of 317 stool samples from children in two towns, one rural and one urban, were examined using the formalin-ether concentration method. the overall prevalence of parasites in infected children was 67%, 20%, 30%, and 22%, respectively for ascaris lumbricoides, trichuris trichiura, giardia duodenalis and entamoeba histolytica in the rural town o ... | 2009 | 18941875 |
| comparing serologic response against enteric pathogens with reported diarrhea to assess the impact of improved household drinking water quality. | we evaluated enteric infection serology as an alternative outcome measure to diarrhea prevalence in a randomized controlled trial of household-based drinking water treatment; 492 households were randomly assigned to 5 household-based water treatment interventions or control. individuals were followed weekly over 52 weeks to measure diarrhea prevalence. study subjects of age <or= 6 months and < 24 months had blood drawn at entry and exit from the study or age cohort. serologic assays for cryptosp ... | 2007 | 17620645 |