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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
  1. Abbreviation: na not available
  2. aTotal MIRs and 95% CIs are means of each habitat type