Table 4.

Chikungunya virus (ECSA strain) neutralizing antibody among the population of three villages of the Khon-Khen Province (2010) where no clinical cases of Chikungunya were reported to the MOH during the 1991 Chikungunya outbreak in the Province

Village	Positive/Tested
Nong Pinia	11/20
Nadee	4/6
Sok Udom	11/14
Total	26/40 (65.0%)

Caption. Location of non infected villages during the 1991 Chikungunya outbreak in the Khon-Khen Province: Nong Pinia (16° 36′ 62″N; 102° 4′ 89″E); Nadee (16° 36′ 58″N; 102° 4′ 59″E); Sok Udom (16° 36′ 60″N; 102° 4′ 74″E).