Table 1.
Dry period | Rainy period | ||||||||
Permanent Sites | An. gambiae s.l. | An. funestus s.l. | An. nili s.l. | all vectors | An. gambiae s.l. | An. funestus s.l. | An. nili s.l. | all vectors | |
Bangolo | PNC: 13/28 | ||||||||
Total collected | 7 | 0 | 0 | 7 | 265 | 38 | 3 | 306 | |
HBR | 0.5 | - | - | 0.5 | 9.5 | 1.4 | 0.1 | 10.9 | |
Tested for CSP | 7 | - | - | 7 | 258 | 37 | 3 | 298 | |
CSP rate [95% C.I.] | 0% [0–42.0] | - | - | 0% [0–42.0] | 2.7% [1.1–5.5] | 2.7% [0.1–14.2] | 0% [0–70.8] | 2.7% [1.2–5.2] | |
EIR | 0 | - | - | 0 | 7.8 | 1.1 | 0 | 8.9 | |
Guezon | PNC: 20/28 | ||||||||
Total collected | 30 | 122 | 0 | 152 | 162 | 348 | 2 | 512 | |
HBR | 1.5 | 6.1 | - | 7.6 | 5.8 | 12.4 | 0.1 | 18.3 | |
Tested for CSP | 30 | 95 | - | 117 | 161 | 346 | 2 | 509 | |
CSP rate [95% C.I.] | 0% [0–15.4] | 2.1% [0.3–7.4] | - | 1.7% [0.2–6.0] | 3.7% [1.4–7.9] | 5.5% [3.3–8.4] | 0% [0–84.2] | 4.9% [3.2–7.2] | |
EIR | 0 | 3.9 | - | 3.9 | 6.6 | 20.7 | 0 | 27.3 | |
Kahin | PNC: 7/23 | ||||||||
Total collected | 185 | 44 | 394 | 623 | 375 | 131 | 386 | 892 | |
HBR | 26.4 | 6.3 | 56.3 | 89 | 16.3 | 5.7 | 16.8 | 38.8 | |
Tested for CSP | 100 | 44 | 197 | 293 | 306 | 117 | 303 | 726 | |
CSP rate [95% C.I.] | 3.0% [0.3–9.0] | 11.4% [3.8–24.6] | 3.5% [1.4–7.2] | 3.7% [1.9–6.6] | 4.2% [2.3–7.2] | 2.6% [0.5–7.3] | 1.0% [0.2–2.9] | 2.6% [1.6–4.1] | |
EIR | 23.8 | 21.5 | 60.8 | 102.7 | 21.1 | 4.4 | 5.1 | 30.6 | |
Logouale | PNC: 6/12 | ||||||||
Total collected | 565 | 10 | 23 | 598 | 1531 | 43 | 34 | 1608 | |
HBR | 94.2 | 1.7 | 3.8 | 99.7 | 127.6 | 3.6 | 2.8 | 134 | |
Tested for CSP | 99 | 10 | 23 | 132 | 749 | 40 | 34 | 823 | |
CSP rate [95% C.I.] | 3% [0.6–8.6] | 0% [0–30.9] | 0% [0–14.8] | 2.3% [0.5–6.5] | 2.9% [1.9–4.4] | 0% [0–8.8] | 0% [0–10.3] | 2.7% [1.7–4] | |
EIR | 86.0 | 0 | 0 | 86.0 | 114.1 | 0 | 0 | 114.1 |
The dry period goes from February to March 2004 and the rainy period goes from April to June 2004.
HBR: Mean daily human biting rate
CSP: circumsporozoite protein rates
EIR: entomological inoculation rates – infective bites per person per month
PNC: Total Person-night of capture in dry season/rainy season
95% C.I.: 95% confidence interval