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Table 1 Summary of studies examining Wuchereria bancrofti human infection

From: Increasing evidence of low lymphatic filariasis prevalence in high risk Loa loa areas in Central and West Africa: a literature review

Country Study yeara Province/District Diagnostic Number of sites Number sampled Reference
Angola 2015 Bengo Province Clinical 29 2017 [20]
DRC 2013 Oriental Province Mf 30 2724 [10]
1974a Mayombe, Bas Congo Province Mf 32 2476 [22]
Cameroon 2018 East, Central, South, Littoral Clinical; Mf; Wb123; qPCR 29 4698 (24)c [23]
2017b South, Central, South-east, North West, Far North Wb123; qPCR 50 5000 [16]
2016 East, Central, South, Littoral Mf 31 14,577 (185)c [17]
2016 Messok District, Haut-Nyong Department qPCR 8 1085 [24]
2013 Lolodorf surrounds Wb123; qPCR 26 1812 [13]
2013 East, North-west, South-west Mf; Clinical 42 2190 (24)c [11]
1990a Goura, Badissa Nyamanga Mf 3 1324 [25, 29]
1975 Department Mifi Mf; Clinical 6 1004 [25, 28]
1957a Yoko Region Mf 1 50 [25, 27, 36]
Total   287 38,957 (22,399)d  
  1. aIndicates publication year, when study year is not stated
  2. bThe exact numbers in the high risk Loa areas is unclear until publication i.e. the North, West, far West have minimal or no overlap with high risk areas, and therefore related numbers are likely not to count
  3. cIndicates the number of individuals initially examined for clinical conditions or using ICT or FTS (with positive cases examined further using different diagnostic tests)
  4. dIndicates total number of individuals examined (total number excluding ICT or FTS)