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Table 3 Comparison of the results of the epidemiological surveys before treatment (1987) and after 15-17 years of treatment (2008) in the onchocerciasis foci of Birnin Gwari and of Kauru/Lere in Kaduna State, Nigeria.

From: Impact of long-term treatment of onchocerciasis with ivermectin in Kaduna State, Nigeria: first evidence of the potential for elimination in the operational area of the African Programme for Onchocerciasis Control

Local Government Area (LGA) Village Total number examined No. of people Infected Prevalence of skin microfilariae Community microfilarial load (mf/ss) ONCHOSIM
Predicted Prevalence
   1987 2008 1987 2008 1987 2008 1987 2008 2008
BIRNIN GWARI
(5)
ANGUWAN - BAWA 220 51 154 0 70.0% 0% 4.84 0 0
  BARAU-BOKA 44 32 21 0 47.7% 0% 4.46 0 0
  ISHWAI 120 115 90 0 75.0% 0% 8.85 0 0
  KIMBI 80 118 38 0 47.5% 0% 5.22 0 0
  KURBAU 265 91 103 0 38.9% 0% 4.93 0 0
KAURU
(11)
GALADIMAWA 671 235 314 0 46.8% 0% 2.87 0 0
  GARMADI 423 155 220 0 52.0% 0% 4.39 0 0
  JANKASA 124 118 83 0 66.9% 0% 3.91 0 0
  KAGUTA 88 82 58 0 65.9% 0% 8.89 0 0
  KUBAU BAUCHI 136 196 75 0 55.1% 0% 2.26 0 0
  MADAM 162 117 109 0 67.3% 0% 7.95 0 0
  SABON LAYI 134 117 76 0 56.7% 0% 3.76 0 0
  SAYAWA 108 127 25 0 23.1% 0% 1.08 0 0
  TUDUN-WADA GARMADI 276 103 106 0 38.4% 0% 2.86 0 0
  ANGUWAN - SHAWARA 247 375 64 0 25.9% 0% 1.23 0 0
  AKANSA 198 93 111 0 56.1% 0% 7.78 0 0
LERE
(11)
ANGUWAN TANIMU 33 77 21 0 63.6% 0% 6.02 0 0
  ANGUWAN-BUZU 26 140 22 0 84.6% 0% 4.94 0 0
  ANGUWAN-PAH-KURAMA 96 141 35 0 36.5% 0% 3.57 0 0
  ASHEMA A 67 162 37 0 55.2% 0% 5.43 0 0
  DAN-ALHAJI 524 69 162 0 30.9% 0% 2.16 0 0
  KUDARU 524 224 269 0 51.3% 0% 4.59 0 0
  KUDURU 572 90 277 0 48.4% 0% 1.19 0 0
  UNGUWAN-PAH-HAUSAWA 164 181 53 0 32.3% 0% 1.81 0 0
  WERE I 388 67 203 0 52.3% 0% 3.73 0 0
  WERE II 281 167 148 0 52.7% 0% 1.62 0 0
  ZARANGI 55 260 21 0 38.2% 0% 2.36 0  
Total   6,026 3,703 2,895 0 48.0% 0.0% 3.93 0 0