Clinical care received and outcomes following neonatal SARS-CoV-2 infection during the dominant circulating variant periods
| All variants N (%)* | Wildtype N (%)* | Alpha N (%)* | Delta N (%)* | Omicron N (%)* | |
| Total cases | 344 | 146 | 123 | 57 | 18 |
| Transmission | |||||
| Maternal SARS-CoV-2 infection at birth | 133 (38.7) | 45 (30.8) | 54 (43.9) | 25 (43.9) | 9 (50.0) |
| Suspected nosocomial transmission | 27 (7.8) | 18 (12.3) | 3 (2.4) | 4 (7.0) | 2 (11.1) |
| Highest level of care | |||||
| Intensive care | 75 (21.8) | 23 (15.8) | 18 (14.6) | 28 (49.1) | 6 (33.3) |
| Non-intensive care | 269 (78.2) | 123 (84.2) | 105 (85.4) | 29 (50.9) | 12 (66.7) |
| Required respiratory support | |||||
| Yes | 153 (44.7) | 55 (37.9) | 46 (37.7) | 42 (73.7) | 10 (55.6) |
| No | 189 (55.3) | 90 (62.1) | 76 (62.3) | 15 (26.3) | 8 (44.4) |
| Missing | 2 | 1 | 1 | 0 | 0 |
| Neonatal outcome | |||||
| Discharged home | 322 (93.6) | 137 (93.8) | 119 (96.8) | 50 (87.7) | 16 (88.9) |
| Transferred to another site/still admitted | 11 (3.2) | 7 (4.8) | 3 (2.4) | 1 (1.8) | 0 (0) |
| Died | 11 (3.2) | 2 (1.4) | 1 (0.8) | 6 (10.5) | 2 (11.1) |
| Death related to SARS-CoV-2 | 4 | 0 | 0 | 4 | 0 |
*Percentage of those with complete data.