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Table 1 Allele frequency of Vgsc-1014 mutations by species in the study area in 2010 and 2011

From: Emergence of knock-down resistance in the Anopheles gambiae complex in the Upper River Region, The Gambia, and its relationship with malaria infection in children

Species Year Allele frequency of Vgsc-1014 mutations
Wild type Heterozygous
Vgsc-1014F
Homozygous
Vgsc-1014F
Heterozygous
Vgsc-1014S
Homozygous
Vgsc-1014S
Totala
n % n % n % n % n %  
An. arabiensis 2010 2360 73.1 31 1.0 44 1.4 662 20.5 77 2.4 3227
2011 500 58.1 18 2.1 23 2.7 243 28.3 39 4.5 860
An. gambiae s.s. 2010 74 14.6 93 18.3 329 64.8 3 0.6 3 0.6 508
2011 10 2.9 12 3.5 311 90.9 0 0.0 0 0.0 342
An. coluzzii 2010 313 73.1 38 8.9 66 15.4 6 1.4 1 0.2 428
2011 200 70.9 35 12.4 30 10.6 1 0.4 1 0.4 282
An. gambiae x An. coluzzii hybrid 2010 1 14.3 3 42.9 3 42.9 0 0 0 0 7
2011 1 50.0 0 0 1 50.0 0 0 0 0 2
  1. a Including unclassified mosquitoes