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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)