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Table 3 Means of An. arabiensis density, man biting rate, Sporozoite rate, human biting index and entomological inoculation rate (EIR) during the different seasons in Koka and Um Salala villages, eastern Sudan, December 2005 to October 2006.

From: Pattern of malaria transmission along the Rahad River basin, Eastern Sudan

Season Koka Um Salala
  Density HBR CSP (%) EIR Density HBR CSP (%) EIR
Cool dry (November - February) 16.05 1.73 2.92 0.18 9.15 0.29 1.31 0.004
Hot dry (March - June) 2.05 0.17 6.25 0.01 0.15 0.00 0.00 0.000
Rainy (July - October) 22.6 5.12 12.26 0.71 18.70 0.57 1.68 0.011
P Value 0.453 0.544 0.981 0.543 0.414 0.492 0.090 0.536
  1. Density: female/hut, HBR: Human biting rate (bite/person/night), CSP: Sporozoite rate (No. CCSP positive/total tested), EIR: Entomological inoculation rate (infective bite/person/night).