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| 3x SD cut-off | 5x SD cut-off | |||
|---|---|---|---|---|
| EKV-1 | EKV-2 | EKV-1 | EKV-2 | |
| Nigeria | 12% | 69% | 5% | 45% |
| United States | 2% | 2% | 1% | 1% |
A serosurvey for EKV-1 and EKV-2 was performed on Nigerian samples (n = 320). Cut-off values were based on the mean of US normals (n = 137) plus either 3xSD or 5xSD (SD = standard deviation).
