| Serum samples | Number | Visualization of amplification products by | |||
| Turbidity | Color change of HNB dye | Amplification curve in real-time thermal cycler | Step-ladder pattern band in agarose gel electrophoresis | ||
| CHIKV IgM +ve | 70 | 70 (100%) | 70 (100%) | 70 (100%) | 70 (100%) |
| CHIKV IgM –ve and IgG +ve | 20 | 00(00%) | 00(00%) | 00(00%) | 00(00%) |
| CHIKV IgM and IgG both –ve | 20 | 00(00%) | 00(00%) | 00(00%) | 00(00%) |
| Healthy controls | 10 | 00(00%) | 00(00%) | 00(00%) | 00(00%) |