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Comparative serology of CHIK (ECSA strain) neutralizing antibodies among the population of the two study villages, Khon Kaen 2010
| Village | None immune | Immune (%) | Total |
|---|---|---|---|
| Pong Haeng | 16 | 37 (69.8)* | 53 |
| Nong Thum | 50 | 7 (12.1) | 58 |
| Total | 66 | 44 (39.6) | 111 |
*Chi square p < 0.001.
