Fig. 1.

Map of the state of Georgia with locations of the seven counties where mosquitoes were analyzed for D. immitis DNA. Approximate locations where all mosquitoes were negative for D. immitis DNA are shown as empty circles. Approximate locations with at least one mosquito positive for D. immitis DNA are shown as solid circles (map created 2009; source Georgia Division of Public Health: Centers for Disease Control and Prevention; Transverse Mercatur projection; UTM 1983, zone 16). Distance scale is for the map of Georgia.