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Samples Stratified According to Detectable SARS-CoV-2 IgM or IgG Antibody Isotype
| Nonreactive | Reactive | |||
|---|---|---|---|---|
| IgM Only | IgG Only | IgM + IgG | ||
| n | 20 228 | 176 | 140 | 96 |
| Percentage of tested | 98.0 | 0.85 | 0.68 | 0.47 |
| Percentage of reactives | … | 42.7 | 34.0 | 23.3 |
Abbreviations: IgG, immunoglobulin G; IgM, immunoglobulin M; SARS-CoV-2, severe acute respiratory syndrome coronavirus 2.
