Voltage-Gated Sodium Channel (Vgsc) Mutation-Based Pyrethroid Resistance in Aedes aegypti Populations of Three Endemic Dengue Risk Areas of Sri Lanka

Table 1

The F1534C genotyping and frequency of kdr alleles in Sri Lankan Ae. aegypti.

District	Year	Total number of mosquitoes	Genotype			Allele frequency
			PP	PQ	QQ	P	Q
Colombo	2018	158	64 (40.5%)	69 (43.7%)	25 (15.8%)	0.62	0.38
	2019	192	35 (18.2%)	109 (56.8%)	48 (25.0%)	0.46	0.53
Gampaha	2018	165	73 (44.5%)	72 (43.9%)	19 (11.6%)	0.66	0.34
	2019	179	44 (24.6%)	96 (53.6%)	39 (21.8%)	0.51	0.49
Kandy	2018	127	91 (71.7%)	25 (19.7%)	11 (8.7%)	0.81	0.19
	2019	153	98 (64.1%)	36 (23.5%)	19 (12.4%)	0.76	0.24