Seropositivity according to domains
| Levels | HCWs in the sample | Seropositive HCWs | % positivity (95% CI) |
| Administration | 200 | 24 | 12.0 (7.8 to 17.3) |
| Medicine | 260 | 28 | 10.8 (7.3 to 15.2) |
| Logistics | 235 | 18 | 7.7 (4.6 to 11.8) |
| Psychiatry | 231 | 20 | 8.7 (5.4 to 13.1) |
| Mother and child | 206 | 13 | 6.3 (3.4 to 10.5) |
| Interdisciplinary units | 190 | 27 | 14.2 (9.6 to 20.0) |
| Hospital technology | 175 | 18 | 10.3 (6.2 to 15.8) |
| Emergency medicine and intensive care | 161 | 13 | 8.1 (4.4 to 13.4) |
| Surgery | 135 | 17 | 12.6 (7.5 to 19.4) |
| Oncology | 76 | 7 | 9.2 (3.8 to 18.1) |
Hospital technology: laboratories, medical radiology; interdisciplinary units: cardiovascular centre, neurosciences centre, locomotor apparatus centre.
Fisher’s exact p=0.23.
HCWs, healthcare workers.