TABLE 1.
ELISA results of SARS‐CoV‐2‐negative and SARS‐CoV‐2‐positive human sera
| Human IgG | Human IgA | Human IgM | ||||
|---|---|---|---|---|---|---|
| Abs | Index | Abs | Index | Abs | Index | |
| Neg 1 | 0.125 | 0.5 | 0.089 | 0.2 | 0.241 | 0.6 |
| Neg 2 | 0.098 | 0.2 | 0.263 | 0.6 | 0.120 | 0.3 |
| Neg 3 | 0.076 | 0.2 | 0.258 | 0.6 | 0.218 | 0.5 |
| Neg 4 | 0.069 | 0.4 | 0.076 | 0.2 | 0.089 | 0.2 |
| Neg 5 | 0.103 | 0.6 | 0.154 | 0.4 | 0.247 | 0.6 |
| Pos 1 | 2.558 | 7.8 | 2.524 | 5.8 | 1.363 | 3.4 |
| Pos 2 | 2.807 | 8.5 | 1.744 | 4.0 | 0.751 | 1.9 |
| Pos 3 | 2.166 | 6.6 | 1.827 | 4.2 | 0.504 | 1.3 |
| Pos 4 | 0.812 | 2.5 | 0.561 | 1.3 | 1.109 | 2.8 |
| Pos 5 | 2.416 | 7.3 | 0.716 | 1.6 | 0.695 | 1.7 |
Values are expressed in absorbance (λ = 450 nm) and index. Index is determined as a cutoff calculated from an arbitrary value, of the average of the negative seras plus 3 standard deviations. Positive values in bold.