Study site and context within the trial.
preschool
This qualitative study was nested within a trial conducted among preschool and school-age children in the Saraya district of Kedougou region, southeast Senegal. Saraya is ∼800 km from Dakar, the capital city of Senegal. Saraya district, which borders Mali to the east and Guinea to the south, contains 108 villages occupying a land area of 7,803 kmThe current trial was conducted in collaboration with the SMC and NTD programs of the Senegal Ministry of Health and Social Action. Eligible children aged 1 to 14 years were randomized into one of three groups at a ratio of 1:1:1 to determine the safety, feasibility, and tolerability of the anthelminthic and SMC drug coadministration. The first group, which served as a control arm, received vitamin A and zinc on Day 0, followed by SMC drugs on Days 1 through 3; the second group received praziquantel and vitamin A on Day 0, followed by SMC drugs on Days 1 through 3; and the third group received albendazole and praziquantel on Day 0, followed by SMC drugs on Days 1 through 3.