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Table 2 Summary of surveys showed total number collected, biting rate (BR), human blood index (HBI), human biting rate (HBR), sporozoite rate (CSP) and entomological inoculation rate (EIR) of An. arabiensis in Koka and Um Salala, eastern Sudan, December 2005 - October 2006.

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

Month Koka Um Salala
  No. collected BR HBI (%) HBR % CSP (No) EIR No. collected BR HBI (%) HBR % CSP (No) EIR
Dec 05 219 3.20 80.46 (70/80) 2.58 14 (8/175) 0.360 119 0.500 80 (36/45) 0.40 1.1 (1/90) 0.004
Feb 06 102 1.30 67.35 (33/49) 0.88 0 (0/99) 0.000 64 0.300 61.54 (16/26) 0.19 1.59 (1/6) 0.003
Apr 06 19 0.04 60 (3/5) 0.02 8.3 (1/12) 0.002 0 0.000 0.00 0.00 0 (0) 0.000
Jun 06 22 0.37 83.33 (5/6) 0.31 5 (1/20) 0.015 3 0.000 0.00 0.00 0 (0/3) 0.000
Aug 06 58 0.20 65.22 (15/23) 0.13 2.17 (1/46) 0.003 43 0.100 62.5 (10/16) 0.06 0 (0/33) 0.000
Oct 06 394 11.03 91.7 (110/120) 10.12 14 (37/264) 1.416 331 1.300 82.19 (60/73) 1.07 2.05 (3/146) 0.022
  1. BR: Biting rate (No. fed mosquito/No. sleeper), HBI: Human blood index (No. human blood positive/total tested), HBR: Human biting rate (bite/person/night), CSP: Sporozoite rate (No. CCSP positive/total tested), EIR: Entomological inoculation rate (infective bite/person/night).