Baseline prevalence of infection of the main helminth species and infection intensity among egg-positive children.

Study was carried out among 93 children in primary and secondary schools on Don Long Island, Khong district, Champasack province, Lao PDR in February and March 2007. Full 3×3 data refers to children who provided 3 stool specimens over consecutive days, with triplicate Kato-Katz thick smear examinations per stool specimen.CI, confidence interval; EPG, eggs per gram of stool; n.d., not defined.