Table 1 Serological testing for alphaviruses
Indirect immunofluorescence assay | Virus neutralization assay | |||||
|---|---|---|---|---|---|---|
First serum sample* | Second serum sample** | First serum sample* | Second serum sample** | |||
Virus | IgM | IgG | IgM | IgG | ||
Mayaro virus (MAYV) | 1:10240 | 1:160 | 1:20480 | 1:160 | 1:80 | 1:160 |
Semliki forest virus (SFV) | 1:20 | < 1:20 | 1:40 | < 1:20 | 1:40 | 1:40 |
O’nyong-nyong (ONNV) | 1:20 | < 1:20 | 1:40 | < 1:20 | < 1:20 | < 1:20 |
Chikungunya virus (CHIKV) | 1:20 | < 1:20 | 1:40 | < 1:20 | < 1:20 | < 1:20 |
Ross river virus(RRV) | 1:20 | < 1:20 | 1:20 | < 1:20 | < 1:20 | < 1:20 |
Barmah forest virus (BHV) | 1:20 | < 1:20 | 1:20 | < 1:20 | < 1:20 | < 1:20 |
Sindbis virus (SINV) | 1:20 | < 1:20 | 1:20 | < 1:20 | < 1:20 | < 1:20 |
Western equine encephalitis virus (WEEV) | 1:20 | < 1:20 | 1:20 | < 1:20 | < 1:20 | < 1:20 |
Eastern equine encephalitis virus(EEEV) | 1:20 | < 1:20 | 1:20 | < 1:20 | < 1:20 | < 1:20 |
Venezuelan equine encephalitis virus (VEEV) | 1:20 | < 1:20 | 1:20 | < 1:20 | < 1:20 | < 1:20 |