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Results of the SARS-CoV-2 spike-specific IgA test
| Sample cohorta | No. of positive samples |
No. of negative samples |
Total no. of samples |
% positive samples |
% negative samples |
|---|---|---|---|---|---|
| Conv | 138 | 59 | 197 | 70 | 30 |
| Ctrl-2020 (Jan 2020) | 0 | 45 | 45 | 0 | 100 |
| Ctrl-Pre (pre-2020) | 1 | 87 | 88 | 1 | 99 |
| hCoV | 0 | 22 | 22 | 0 | 100 |
| All controls | 1 | 154 | 155 | 1 | 99 |
Samples analyzed at a 1/200 serum dilution.
