Figure. Location of pig farms from which mosquitoes were collected for phylogenetic analysis of Japanese encephalitis virus (JEV) isolates, Taiwan, 2009–2010. Black stars indicate location of pig farms. Blue triangles indicate locations at which genotype I JEV was first detected by the Taiwan Centers for Disease Control (9). CH, Changhua County; CY, Chiayi County; HL, Hualien County; TC, Taichung County; TN, Tainan County; TPC, Taipei City; YL, Yulin County.