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Prevalence of infection with geohelminths during the study. Shown is the prevalence of infections before receiving the 1st dose of albendazole (0 months) and at 12 months (before receiving the 7th dose of albendazole) in the four study groups. Groups are: 1) infection/no treatment (light grey columns), 2) no infection/no treatment (dark grey), 3) infection/treatment (hatched), and 4) no infection/treatment (checked).
