Table 1.
Characteristics of SARS-CoV-2-recovered individuals selected for the nested case–control study.
| Categories | Unvaccinated Group | 1-Dose-Vaccinated Group |
|---|---|---|
| Number | 17 | 18 |
| Age (range) | 53.3 (34–70) | 56.4 (40–71) |
| Sex | ||
| Female | 15 | 16 |
| Male | 2 | 2 |
| Visit (Mean days after ISO 1) | ||
| Visit 1 | 143.9 ± 40.8 | 146.6 ± 42.6 |
| Visit 2 | 226.4 ± 41.2 | 227.6 ± 41.6 |
| Visit 3 | 331.9 ± 51.3 | 358.7 ± 62.3 |
| Visit 4 | 495.7 ± 54.8 | 526.7 ± 65.7 |
| Mean days after ISO at vaccination (range) | NA 2 | 497.9 (311–594) |
| Mean number of days after vaccination at time of blood collection (range) | NA | 30.7 (9–66) |
1 Initial symptom onset. 2 Not available.