Transmission and diversity of Schistosoma haematobium and S. bovis and their freshwater intermediate snail hosts Bulinus globosus and B. nasutus in the Zanzibar Archipelago, United Republic of Tanzania
Fig 2
A: Inferred Bulinus globosus and B. nasutus distribution on Unguja and Pemba islands (Zanzibar, United Republic of Tanzania) as identified by mitochondrial cox1 sequences of a subset (n = 510) of Bulinus spp. collected. B: Highlighted South East region of Pemba, displaying human freshwater contact sites in four shehias (Matale, Pujini, Chambani, Ukutini) and the single freshwater body cohabited by B. globosus and B. nasutus (Puj11).
Digital shape files for Unguja and Pemba administrative regions were obtained from DIVA-GIS (https://www.diva-gis.org).