| impact of health education on soil-transmitted helminth infections in schoolchildren of the peruvian amazon: a cluster-randomized controlled trial. | to control soil-transmitted helminth (sth) infections, the world health organization recommends school-based deworming programs with a health hygiene education component. the effect of such health hygiene interventions, however, has not been adequately studied. the objective of the present study was to determine the effectiveness of a health hygiene education intervention on the occurrence of sth re-infection four months post-de-worming. | 2013 | 24069469 |