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. 2021 Feb 27;105:482–486. doi: 10.1016/j.ijid.2021.02.104

Table 1.

Seroprevalence of SARS-CoV-2 antibodies according to professional category.

Category HCWs in the HR database Participants in the primary analysis Positive cases Prevalence (%) (95% CI)
Physicians 410 380 10 2.6 (2.2–3.1)
Registrars 110 77 3 3.9 (1.5–6.3)
Nurses 894 684 23 3.4 (2.7–4.0)
Nursing assistant 736 556 14 2.5 (1.9–3.2)
Wardens 228 176 6 3.4 (2.1–4.7)
Other healthcare workers 185 108 0 0 (0–2.2)
Other non-healthcare workers 242 229 5 2.2 (1.7–2.6)
Total 2805 2210 61 2.8 (2.5–3.1)

Abbreviations: SARS-CoV-2, severe acute respiratory syndrome coronavirus 2; HCW, healthcare worker; HR, human resources; CI, confidence interval.