Table 1.

Summary of female mosquitoes caught in all primary sampling units (PSUs) in Samoa in 2019, with estimated prevalence of PCR-positive mosquitoes, stratified by mosquito genus (bold) and species

Species/Genus	Number of mosquitoes	Number of pools	Number of positive pools	Estimated prevalence of PCR-positive mosquitoes (95% CrI)
Aedes	16,445	1520	144	0.30% (0.10–0.60)
Ae. polynesiensis	10,536	692	102	0.39% (0.14–0.78)
Ae. (Finlaya) spp.	1377	185	2	0.07% (0.00–0.35)
Ae. aegypti	3396	445	33	0.27% (0.00–0.97)
Aedes spp. (other)	1136	198	7	0.23% (0.00–0.84)
Culex	17,831	978	28	0.08% (0.02–0.10)
Cx. quinquefasciatus	17,807	970	28	0.08% (0.02–0.16)
Total	34,276	2498	172	0.22% (0.10–0.39)

Results for Culex spp. other are not presented due to small collection numbers and unreliable estimates