Table 1 Syndromic profile and medication usage of nursing home residents with a SARS-CoV-2 Wuhan infection or Delta or omicron breakthrough infection
|  | Prior to vaccination Wuhan (n = 16) | Before the third dose Delta (n = 6) | After the third dose Omicron (n = 11) | After the fourth dose Omicron (n = 9) | After the fifth dose Omicron (n = 6) |
|---|---|---|---|---|---|
Fever > 37.5°C | 14 (93%) | 6 (100%) | 7 (64%) | 6 (67%) | 5 (83%) |
Fever > 37.5°C duration | 4.5 (2.5, 8.3) | 4.3 (2.5, 6.4) | 3.5 (2.3, 4.3) | 1.0 (1.0, 1.8)a** | 3.0 (1.0, 3.0) |
Placed in isolation | 16 (100%) | 6 (100%) | 11 (100%) | 9 (100%) | 6 (100%) |
Isolation duration | 24.5 (20.3, 29.0) | 16.8 (13.6, 18.8) | 10.0 (9.5, 11.0)a** | 6.0 (5.0, 9.0)a***, b* | 5.5 (5.0, 8.3)a***, b* |
Oxygen used | 9 (60%) | 2 (33%) | 3 (27%) | 1 (11%) | 2 (33%) |
Oxygen duration | 15.5 (9.0, 19.0) | 18.5 (12.3, 24.8) | 3.5 (3.3, 6.5) | 1.0 (1.0, 1.0) | 6.5 (6.3, 6.8) |
IV fluids used | 2 (13%) | 0 | 0 | 0 | 0 |
IV fluids duration | 7.3 (4.6, 9.9) | NA | NA | NA | NA |
Anticoagulant used | 2 (13%) | 0 | 0 | 0 | 0 |
Anticoagulant medication duration | 11.0 (11.0, 11.0) | NA | NA | NA | NA |
Dexamethasone used | 4 (27%) | 1 (17%) | 0 | 0 | 0 |