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Table 2 Evolution of kdr allele L1014F genotypes and allele frequencies in An. gambiae (s.l.) populations from the city of Yaoundé

From: Rapid evolution of insecticide resistance and patterns of pesticides usage in agriculture in the city of Yaoundé, Cameroon

Years Genotypes Alleles
RR RS SS
n/N % [95% CI] n/N % [95% CI] n/N % [95% CI] f(R)
2017 15/68 22.1% [21.9; 22.3] 51/68 75% [74.9; 75.1] 2/68 2.9% [2.7; 3.2] 0.6
2018 221/426 51.9% [51.9; 52] 193/426 45.3% [45.2; 45.4] 12/426 2.8% [2.7; 2.9] 0.8
2019 115/307 37.5% [37.4; 37.6] 183/307 59.6% [59.5; 59.7] 9/307 2.9% [2.8; 3] 0.7
  1. S wild type, R 1014F, SS susceptible homozygote, RR resistant homozygote, RS resistant heterozygote, F(R) frequency of the Kdr L1014F allele, n number of specimens with kdr allele, N total number of specimens processed, 95% CI 95% confidence interval