Journal of Tropical Medicine / 2020 / Article / Tab 1 / Review Article
Prevalence of Schistosoma mansoni and S. haematobium in Snail Intermediate Hosts in Africa: A Systematic Review and Meta-analysis Table 1 Characteristic of the 51 eligible studies and pooled prevalences of S. mansoni and S. haematobium among freshwater snails in Africa included in this meta-analysis.
Author Year Country Snail species Snails examined (n ) Infected snails Total Schistosoma speciesQuality score Cercaria shedding (n ) Prevalence (%) Screened by PCR Positive (n ) Prevalence (%) Infected snails (n ) Prevalence (%) Sturrock et al. [39 ] 1979 Kenya B. pfeifferi 938 65 6.93 — — — 65 6.93 S. mansoni 7 King et al. [30 ] 1982 Egypt Bullines spp.4312 9 0.21 — — — 9 0.21 S. haematobium 8 Lwambo [60 ] 1988 Tanzania B. nasutus 17646 156 0.88 — — — 156 0.88 S. haematobium 9 Gryseels [21 ] 1991 Burundi B. pfeifferi 29199 249 0.85 — — — 249 0.85 S. mansoni 9 Bado et al. [40 ] 1997 Mali B. truncatus 266 - - 266 22 8.30 22 8.3 S. haematobium 8 B. globosus 90 7 7.80 — — — 7 7.80 S. haematobium Kariuki et al. [37 ] 2004 Kenya B. nasutus 11000 122 1.20 — — — 122 1.20 S. haematobium 8 Kazibwe et al. [66 ] 2006 Uganda B. stanleyi 21715 949 4.40 — — — 949 4.40 S. mansoni 9 B. sudanica 8452 296 3.50 — — — 296 3.50 S. mansoni Hussien et al. [29 ] 2007 Egypt B. alexandrina 2070 10 0.48 — — — 10 0.48 S. mansoni 8 Labbo et al. [43 ] 2007 Niger B. forskalii 9450 5 0.05 — — — 5 0.05 S. haematobium 8 B. truncatus 27125 509 1.90 — — — 509 1.90 S. haematobium Hussien et al. [25 ] 2008 Egypt B. truncatus 837 14 1.67 — — — 14 1.67 S. haematobium 7 Odongo-Aginya et al. [64 ] 2008 Uganda B. choanomphala 9194 164 1.78 — — — 164 1.78 S. mansoni 9 B. pfeifferi 4173 75 1.79 — — — 75 1.79 S. mansoni Ayanda [47 ] 2009 Nigeria B. globosus 392 72 18.37 — — — 72 18.37 S. haematobium 7 B. pfeifferi 256 52 20.31 — — — 52 20.31 S. mansoni Ibikounlé et al. [19 ] 2009 Benin B. pfeifferi 357 2 0.56 — — — 2 0.56 S. mansoni 8 Zongo et al. [20 ] 2009 Burkina Faso B. truncatus 27 2 7.40 — — — 2 7.40 S. haematobium 7 Akinwale et al. [53 ] 2011 Nigeria B. truncatus 138 — — 138 41 29.70 41 29.70 S. haematobium 7 Lotf et al. [26 ] 2011 Egypt B. alexandrina 277 17 6.10 — — — 17 6.10 S. mansoni 7 Mengistu et al. [34 ] 2011 Ethiopia Biomphalaria spp.560 325 58.00 — — — 325 58.00 S. mansoni 7 Opisa et al. [38 ] 2011 Kenya B. pfeifferi 425 7 1.60 — — — 7 1.60 S. mansoni 9 B. sudanica 407 7 1.70 — — — 7 1.70 S. mansoni B. globosus 227 5 2.20 — — — 5 2.20 S. haematobium Abe et al. [50 ] 2012 Nigeria B. truncatus 56 25 44.64 — — — 25 44.64 S. haematobium 7 Iboh et al. [48 ] 2012 Nigeria B. globosus 120 13 10.80 — — — 13 10.80 S. haematobium 8 Mekonnen et al. [35 ] 2012 Ethiopia B. pfeifferi 80 2 2.50 — — — 2 2.50 S. mansoni 7 Kinanpara [23 ] 2013 Côte d’Ivoire B. globosus 189 23 12.17 — — — 23 12.17 S. haematobium 7 B pfeifferi 1409 25 1.77 — — — 25 1.77 S. mansoni Alebie et al. [31 ] 2014 Ethiopia B. pfeifferi 301 32 10.60 — — — 32 10.60 S. mansoni 7 Angelo et al. [62 ] 2014 Tanzania B. sudanica 1470 11 0.75 — — — 11 0.75 S. mansoni 8 Ivoke et al. [49 ] 2014 Nigeria B. globosus 308 62 20.10 — — — 62 20.10 S. haematobium 8 Moser et al. [22 ] 2014 Chad B. truncatus 4119 1 0.80 — — — 1 0.02 S. haematobium 8 B. pfeifferi 108 1 0.90 — — — 1 0.90 S, mansoni Akinwale et al. [54 ] 2015 Nigeria B. globosus 109 — — 109 38 34.80 38 34.80 S. haematobium 9 B. forskalii 22 — — 22 8 36.40 8 36.40 S. haematobium B. camerunensis 7 — — 7 4 57.00 4 57.00 S. haematobium B. senegalensis 11 — — 11 2 18.20 2 18.20 S. haematobium Amsalu et al. [33 ] 2015 Ethiopia B. pfeifferi 31 1 3.20 — — — 1 3.20 S. mansoni 7 Bado et al. [41 ] 2015 Mali B. truncatus 324 11 3.40 — — — 11 3.40 S. haematobium 8 B. pfeifferi 189 2 1.10 — — — 2 1.10 S. mansoni Gashaw et al. [32 ] 2015 Ethiopia B. pfeifferi 14 2 14.30 — — — 2 14.30 S. mansoni 7 Rowel et al., [67 ] 2015 Uganda Biomphalaria spp19355 127 0.70 — — — 127 0.70 S. mansoni 9 Senghor [55 ] 2015 Senegal B. senegalensis 7333 8 0.11 — — — 8 0.11 S. haematobium 9 B. umbilicatus 339 22 6.51 — — — 22 6.51 S. haematobium Aboelhadid et al. [27 ] 2016 Egypt B. alexandrina 822 22 22.80 — — — 22 2.68 S. mansoni 7 B. truncatus 423 9 2.10 — — — 9 2.10 S. haematobium Farghaly et al. [28 ] 2016 Egypt B. alexandrina 400 3 0.8 400 13 3.3 13 3.3 S. mansoni 9 Mohammed et al. [57 ] 2016 Sudam B. truncatus 1403 2 0.10 — — — 2 0.10 S. haematobium 9 B. pfeifferi 5100 82 1.60 — — — 82 1.60 S. mansoni Pennance [63 ] 2016 Tanzania B. globosus 1111 26 2.30 — — — 26 2.30 S. haematobium 8 Alemayehu et al. [36 ] 2017 Ethiopia B. pfeifferi 111 7 6.30 — — — 7 6.30 S. mansoni 8 Allan et al. [18 ] 2017 Angola B. globosus 173 25 14.50 — — — 25 14.50 S. haematobium 8 Bakuza et al. [69 ] 2017 Tanzania B. pfeifferi 235 29 12.30 219 103 47.00 103 43.8 S. mansoni 8 Gouvras et al. [61 ] 2017 Tanzania B. sudanica 35,910 439 1.21 — — — 439 1.21 S. mansoni 7 B. choanomphala 6906 61 0.88 — — — 61 0.88 S. mansoni Okeke and Ubachukwu [52 ] 2017 Nigeria B. pfeifferi 460 20 4.30 — — — 20 4.30 S. mansoni 8 Stanton et al. [65 ] 2017 Uganda Biomphalaria spp.499 5 1.00 118 22 18.64 27 5.4 S. mansoni 8 Aliyu et al. [51 ] 2018 Nigeria B. pfeifferi 592 156 26.00 — — — 156 26.00 S. mansoni 8 B. truncatus 5942 1421 23.90 — — — 1421 23.90 S. haematobium B. globosus 8894 2166 24.30 — — — 2166 24.30 S. haematobium Afiukwa et al. [46 ] 2019 Nigeria B. globosus 177 34 19.20 — — — 34 19.20 S. haematobium 8 B. truncatus 106 18 17.00 — — — 18 17.00 S. haematobium Okeke et al. [45 ] 2019 Nigeria B. pfeifferi 212 - - 212 16 7.45 16 7.45 S. mansoni 8 Peletu et al. [44 ] 2019 Nigeria B. globosus 112 5 4.50 — — — 5 4.50 S. haematobium 9 Rabone et al. [42 ] 2019 Niger B. forskalii 11989 24 0.20 — — — 24 0.20 S. haematobium 9 B. pfeifferi 2290 79 3.40 — — — 79 3.40 S. mansoni Tian-Bi et al. [24 ] 2019 Côte d’Ivoire B. truncatus 1772 2 0.10 — — — 2 0.10 S. haematobium 9 B. globosus 247 5 2.00 — — — 5 2.00 S. haematobium Catalano et al. [56 ] 2020 Senegal B. pfeifferi 407 9 2.20 — — — 9 2.20 S. mansoni 7 Fuss et al. [59 ] 2020 Tanzania B. sudanica 788 — — 788 279 35.40 279 35.4 S. mansoni 9 Mutsaka-Makuvaza et al. [68 ] 2020 Zimbabwe B. globosus 1542 30 1.90 — — — 30 1.90 S. haematobium 9