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Table 2 Monthly biting rate, human density, human blood index, vector density and vector to human ratio in study villages, Ghana
| Region | Village | Season | MBR | Human host density (H) | All trapping techniques | Vector collector-caught flies only | ||||
|---|---|---|---|---|---|---|---|---|---|---|
| HBI (95 % BCI) | V (95 % BCI) | V/H | HBI (95 % BCI) | V (95 % BCI) | V/H | |||||
| Brong-Ahafo | Asubende | Dry Feb 2011 | 2,061 | 108 | 0.65 (0.58, 0.71) | 39,603 (35,917–44,480) | 367 (333–412) | 0.70 (0.56, 0.82) | 36,712 (31,280–46,497) | 340 (290–431) |
| Agborlekame | Dry Feb 2011 | 775 | nd | 0.33 (0.01, 0.77) | nd | nd | nd | nd | nd | |
| Volta | Asukawkaw Ferry | Wet Aug 2009 | nd | 5,459 | 0.40 (0.18, 0.64) | nd | nd | 1.00 (0.23, 1.00) | nd | nd |
| Dry March 2010 | 5,777 | 0.74 (0.68, 0.80) | 4,904,478 (4,570,053–5,340,204) | 898 (837–978) | 0.67 (0.59, 0.74) | 5,424,605 (4,893,429–6,151,412) | 994 (896–1,127) | |||
| Dry Feb 2011 | 5,429 | 0.99 (0.97, 1.00) | 3,453,718 (3,419,227–3,551,323) | 633 (626–651) | 1.00 (0.98, 1.00) | 3,410,288 (3,410,288–3,481,386) | 625 (625–638) | |||
| Dodi Papase | Wet Aug 2009 | nd | 5,254 | 0.86 (0.56, 1.00) | nd | nd | nd | nd | nd | |
| Dry March 2010 | 2,357 | 0.98 (0.94, 1.00) | 1,458,110 (1,431,769–1,533,702) | 278 (273–292) | 0.99 (0.95, 1.00) | 1,445,328 (1,427,147–1,522,330) | 275 (272–290) | |||
| Dry Feb 2011 | 4,371 | 0.98 (0.94, 1.00) | 2,701,299 (2,654,646–2,835,194) | 514 (505–540) | 1.00 (0.97, 1.00) | 2,642,575 (2,642,575–2,741,938) | 503 (503–522) | |||
| Pillar 83 /Djodji | Wet July 2009 | nd | 188 | nd | nd | nd | nd | nd | nd | |
| Dry March 2010 | 7,171 | 0.69 (0.63, 0.74) | 225,288 (209,692–244,864) | 1,198 (1,115–1,302) | 1.00 (0.98, 1.00) | 155,129 (155,129–159,325) | 825 (825–847) | |||
| Dry Feb 2011 | 9,329 | 0.91 (0.88, 0.93) | 222,982 (217,243–230,326) | 1,186 (1,156–1,225) | 0.98 (0.96, 0.99) | 206,089 (203,430–211,314) | 1,096 (1,082–1,124) | |||
| Western | Bosomase | Wet Aug 2009 | 5,481 | 188 | 0.73 (0.59, 0.85) | 162,045 (139,771–203,188) | 862 (743–1081) | 0.63 (0.42, 0.83) | 187,736 (144,996–290,028) | 999 (896–1,127) |
| Dry Feb 2010 | 1,209 | 0.88 (0.80, 0.95) | 29,641 (27,741–33,093) | 158 (148–176) | 1.00 (0.84, 1.00) | 26,154 (26,154–32,700) | 139 (139–174) | |||
| Ashanti | Gyankobaa | Wet Aug 2009 | 4,121 | 274 | 0.41 (0.37, 0.46) | 316,258 (284,223–355,258) | 1,154 (1,037–1,297) | 0.47 (0.42, 0.53) | 276,101 (246,778–312,882) | 1,008 (901–1,142) |
