Table 2

Prevalence and Intensity of O. volvulus determined by REA and Skin snip



Prevalence (%)
 Intensity (mf/Skin snip)



Village
 Population*
 No. Examined
 REA
 Skin snip
 Arithmetic Mean Mf +ve & -ve individuals
 Arithmetic Mean Mf +ve individuals
 William's means ≥ 15
 William's means ≥ 20 (CMFL)
Ambombo
 250
 49
 40.82
 69.39
 14.57
 21.00
 5.07
 4.76
Bifang
 1889
 141
 38.30
 66.67
 12.54
 18.80
 4.06
 4.19
Mbullam
 65
 21
 23.81
 95.24
 65.26
 68.52
 13.38
 14.60
Dinku
 516
 159
 54.72
 94.34
 32.45
 34.40
 17.31
 18.58
Ebendi
 260
 120
 65.00
 85.83
 19.70
 22.95
 7.76
 7.82
Eka
 1079
 96
 20.83
 72.92
 14.13
 19.37
 5.24
 5.69
Ngalla
 765
 138
 56.52
 76.09
 18.45
 24.25
 6.85
 7.70
Oche 1
 83
 32
 21.88
 87.50
 11.25
 12.86
 5.41
 6.52
Oche 2
 77
 29
 55.17
 86.21
 28.07
 32.56
 10.53
 10.49
Olorunti
 707
 192
 39.06
 86.46
 31.68
 36.43
 10.57
 10.89
Total
 5691
 977





Average

45.04
 81.37
 23.06
 28.31
 7.99
 8.22

* Total population recorded during a census conducted in study villages, CMFL : Community microfilarial load ; Mf +ve: Microfiladermic, MF -ve: amicrofiladermic individuals & -ve

Wanji et al. Filaria Journal 2005 4:2   doi:10.1186/1475-2883-4-2