Table 1 Epidemiology and SARS-CoV-2 reactive humoral immune response in healthcare workers after vaccination or prior COVID-19.
From: Predictors of impaired SARS-CoV-2 immunity in healthcare workers after vaccination with BNT162b2
Persons vaccinated by BNT162b2 (n = 1386) | Persons with prior SARS-CoV-2 infection, no vaccination (n = 45) | p | |
|---|---|---|---|
Median time after infection/vaccination (weeks) | 8 (IQR 7–9) | 20 (15–28) | < 0.0001 |
Median age (years) | 45 (IQR 33–55) | 33 (IQR 25–40.5) | 0.0001 |
Female gender (n, %) | 1025, 73.9% | 27, 60% | 0.04 |
Anti-SARS-CoV-2 IgG > 250 IU/ml (n, %) | 1342, 96.9% | 9, 20% | 0.0001 |
Anti-SARS-CoV-2 IgG 100–250 IU/ml (n, %) | 32, 2.3% | 15, 33.3% | |
Anti-SARS-CoV-2 IgG 0.4–99 IU/ml (n, %) | 10, 0.7% | 20, 44.5% | |
Anti-SARS-CoV-2 negative (n, %) | 2, 0.1% | 1, 2.2% |
