Outcomes among pregnant women with symptoms who were admitted to hospital with SARS-CoV-2 infection during the period when omicron was the dominant variant by vaccination status in the UK between 15 December 2021 and 14 March 2022
| Unvaccinated (n=489) | One dose (n=107) | Two doses (n=194) | Three doses (n=55) | Unknown (n=141) | ||||||
| No | % (95% CI) | No | % (95% CI) | No | % (95% CI) | No | % (95% CI) | No | % (95% CI) | |
| Composite indicator of moderate to severe infection | 93 | 19.0 (15.8 to 22.7) | 14 | 13.1 (7.8 to 20.9) | 19 | 9.8 (6.3 to 14.9) | 3 | 5.5 (1.3 to 15.4) | 15 | 10.6 (6.5 to 15.9) |
| Intensive care admission | 23 | 4.7 (3.1 to 7.0) | 3 | 2.8 (0.6 to 8.3) | 2 | 1.0 (0.0 to 3.9) | 0 | — | 2 | 1.4 (0.1 to 5.4) |
| Maternal death | 3 | 0.6 (0.1 to 1.9) | 1 | 0.9 (0.0 to 5,6) | 0 | — | 0 | — | 0 | — |