Table 2 Culex females tested for WNV in four microhabitat types of Atlanta, GA, USA, July-September, 2010–2011
From: Avian species diversity and transmission of West Nile virus in Atlanta, Georgia
Site | Habitat type | 2010 | 2011 | Total | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Pools | Pos. pools | N | MIR | 95% CI | Pools | Pos. pools | N | MIR | 95% CI | Pools | Pos. pools | N | MIR | 95% CI | ||
FBB | Forest | 29 | 2 | 297 | 7.1 | 1.3–23.7 | 41 | 3 | 579 | 5.2 | 1.4–13.9 | 70 | 5 | 876 | 5.9 | 2.2–12.9 |
WW | Forest | na | na | na | na | na | 52 | 1 | 902 | 1.11 | 0.1–5.4 | 52 | 1 | 902 | 1.1 | 0.1–5.4 |
Totala | Forest | 29 | 2 | 297 | 7.1 | 1.3–23.7 | 93 | 4 | 1,481 | 3.2 | 0.7–9.7 | 122 | 6 | 1,778 | 3.5 | 1.1–9.2 |
GPW | Woods | 484 | 15 | 6,780 | 2.26 | 1.3–3.6 | 116 | 5 | 2,041 | 2.5 | 0.9–5.5 | 600 | 20 | 8,821 | 2.32 | 1.4–3.5 |
PPN | Woods | na | na | na | na | na | 101 | 8 | 1,659 | 5.1 | 2.4–9.6 | 101 | 8 | 1,659 | 5.1 | 2.4–9.6 |
Totala | Woods | 484 | 15 | 6,780 | 2.3 | 1.3–3.6 | 217 | 13 | 3,700 | 3.8 | 1.7–7.6 | 701 | 28 | 10,480 | 3.7 | 1.9–6.6 |
GPPO | Water | 325 | 10 | 4,768 | 2.15 | 1.1–3.8 | 171 | 9 | 3,044 | 3.1 | 1.5–5.6 | 496 | 19 | 7,812 | 2.5 | 1.6–3.8 |
PPPO | Water | na | na | na | na | na | 55 | 4 | 718 | 5.8 | 1.9–13.9 | 55 | 4 | 718 | 5.8 | 1.9–13.9 |
Totala | Water | 325 | 10 | 4,768 | 2.2 | 1.1–3.8 | 226 | 13 | 3,762 | 4.4 | 1.7–9.7 | 551 | 23 | 8,530 | 4.1 | 1.7–8.9 |
GPR | Res. | 189 | 13 | 3,041 | 4.5 | 2.5–7.5 | 94 | 5 | 1,814 | 2.8 | 1.1–6.3 | 283 | 18 | 4,855 | 3.9 | 2.4–6.0 |
PPR | Res. | na | na | na | na | na | 53 | 5 | 811 | 6.5 | 2.4–14.5 | 53 | 5 | 811 | 6.5 | 2.4–14.5 |
Totala | Res. | 189 | 13 | 3,041 | 4.5 | 2.5–7.5 | 147 | 10 | 2,625 | 4.7 | 1.8–10.4 | 336 | 23 | 5,666 | 5.2 | 2.4–10.2 |
All Sitesa |  | 1,027 | 40 | 14,886 | 4.0 | 1.5–9.7 | 683 | 40 | 11,568 | 4.0 | 1.5–9.3 | 1,710 | 80 | 26,454 | 4.1 | 1.8–8.7 |