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| History of SARS-CoV-2 (n = 168) | Frequency (%) |
|---|---|
| Positive history before vaccination | |
| Once before vaccination | 65 (38.7) |
| Twice before vaccination | 7 (4.2) |
| Positive history after initiating vaccination regimen | |
| Between first and second BNT doses | 3 (1.8) |
| Between second and third BNT doses | 1 (0.6) |
| After third BNT dose | 0 (0) |
The table is divided into positive history before vaccination and after initiating the vaccination regimen.
