Impact of three rounds of mass preventive chemotherapy on prevalence and intensities of Schistosoma mansoni infection among an adult population on Ukerewe Island, north-western Tanzania - Chiombola, Crecencia E.; Mwangoka, Erick Simon; Baumba, Tumaini; Mkombe, Charles Guya; Kreibich, Saskia; Kasang, Christa; Fuss, Antje; Mueller, Andreas; Sabuni, Paul Alikado; Mazigo, Humphrey D. (Frontiers in Tropical Diseases, 2025)