Figure 1From: Long-term persistence of Chikungunya virus neutralizing antibodies in human populations of North Eastern ThailandStudy sites. Legend: Left: Kingdom of Thailand (green); Khon Kaen Province (brawn); Wang Hin Lat sub district (yellow). Right: Wang Hin Lat sub district (yellow); The two study villages (=Thai: ban) of Pong Haeng (16°36′45″N, 102°3′35″E) and Nong Thum (16°36′47″N, 102°4′50″E) distant for less than 1.5 to 2 km one from the other.Back to article page