Fig. 4From: Current prevalence and geographic distribution of helminth infections in the parasitic endemic areas of rural Northeastern ThailandGeographic distribution of OV positive participants in the two connected subdistricts of Mueang district, Chaiyaphum province. A; Huai Ton subdistrict, B; Na Fai subdistrict. The red spots located the OV positive participant’s houses and the yellow circles remark the village with high prevalence (1; Chi Long Nuea, 2; Huai Ton, 3; Pong Khong Tai, 4; Pong Khong Nuea, 5; Nong Nok Khao)Back to article page