Determining the prevalence and morbidity of Schistosoma, soil-transmitted-helminths and intestinal protozoa in orphans and street children in Mwanza city, Northern Tanzania = Prävalenz von Schistosomiasis, Soil-transmitted helminths und Protozoen bei Strassen- und Waisenkindern in Mwanza city, Tanzania - Franz, Anemone 19XX- (2023)