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Results of SARS-CoV-2 spike-specific IgG test
| Sample cohorta | Positive (N) | Negative (N) | Total (N) | Positive (%) | Negative (%) |
|---|---|---|---|---|---|
| Conv (>d15 Sx) | 180 | 17 | 197 | 91% | 9% |
| Ctrl-2020 (Jan 2020) | 1 | 44 | 45 | 2% | 98% |
| Ctrl-Pre (Pre-COVID) | 2 | 169 | 171 | 1% | 99% |
| hCoV | 0 | 22 | 22 | 0% | 100% |
| All controls | 3 | 235 | 238 | 1% | 99% |
Samples analyzed at 1/1,000 serum dilution
