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Table 1 Malacological studies from different epidemiological settings and attempted control measures in Tanzania

From: Epidemiology and control of human schistosomiasis in Tanzania

Genus Host snail species Geographical distributions Potential hosts for Attempted control measures References
Bulinus Bulinus globosus Unguja, Pemba, Pemba and all regions of mainland Tanzania. Schistosoma haematobium, - is not intermediate hosts in Unguja - On-going- Chemical control using (molluscicides-neclosamide) in Unguja and Pemba (http://www.score.uga.edu/Elimination.htmlwww.controlled-trials.com/ISRCTN48837681/) Sturrock., 1965[12]
McCullough[19]
Webbe, 1966[52]
Stothard et al.,[53]
Lwambo,1988[54]
Mandahl-Barth[55]
- Use of molluscicides/extracts from plants in mainland part of the country[63, 64] Stothard et al.,[56]
Stothard et al.,[58]
Webbe et al., 1958[61]
Zumstein, 1983[62]
Jordan and Webbe., 1982[65]
Stothard et al.,[66]
Bulinus nasutus Pemba, Mafia island and all regions of the mainland part of the country. S. haematobium, S. bovis On-going Chemical control using (molluscicides-neclosamide) in Unguja and Pemba (http://www.score.uga.edu/Elimination.html) Mwambungu., 1988[8]
Kinoti., 1964[9]
Sturrock., 1965[12]
McCullough[19]
Webbe, 1966[52]
Lwambo,1988[54]
Mandahl-Barth[55]
Stothard et al.,[56]
Jelnes et al.,[57]
Marti et al., 1985[67]
Gabone et al.,[68]
Bulinus africanus africanus Not present in Unguja and Pemba. Widely distributed on the mainland part of the country. S. haematobium, S. bovis, S. matheei, S. leiperi None Doumange et al., 1987[3]
Mwambungu., 1988[8]
Kinoti., 1964[9]
Mutani et al.,[69]
Stothard et al.,[66]
Bulinus forskalii Probably all regions of mainland part of the country, no report from Unguja and Pemba. Present in the Mafia islands S. bovis None Mwambungu., 1988[8]
Kinoti., 1964[9]
Mutani et al.,[69]
Biomphalaria Biomphalaria choanomphala, - Confined in the large water bodies Schistosoma mansoni None Magendantz., 1972[13]
– The lake Victoria. Common in the three regions bordering the lake. McCullough et al., 1962[19]
- Absent on the eastern and southern coastal belt bordering Indian ocean, Unguja and Pemba. Brown., 1980[51]
Biomphalaria pfeifferi - All regions of mainland part of the country except the eastern coastal regions, Unguja and Pemba. Schistosoma mansoni - Chemical control (Bayer 73, N-tritylmorpholine in irrigations scheme northern Tanzania[63, 70] Utzinger and Tanner., 2000[60]
Webbe., 1964[71]
- Biological control[72, 73] Crossland., 1963[70]
Biomphalaria sudanica All regions of mainland part of the country except the central regions of Dodoma, Singida, the eastern and southern coastal regions, Unguja and Pemba. Schistosoma mansoni - Molluscicides[74] Doumange et al., 1987[3]
Magendantz., 1972[13]
Sturrock., 1962[12]
Biomphalaria angulosa Common in lower lands and highlands southern Schistosoma mansoni None Magendantz., 1972[13]
Sturrock., 1962[12]
Webbe and Jordan., 1966[52]