Table 1.
Epidemiologic characteristics of 3,538 VOC and non-VOC cases in England
| Characteristic | VOC group (n=1,769) | Wild type group (n=1,769) | p |
|---|---|---|---|
| Median age (y) | 36 | 35 | NR |
| Sex (%) | NR | ||
| Male | 48.6 | 48.6 | |
| Female | 51.4 | 51.4 | |
| Race (%) | NR | ||
| White | 75.2 | Proportion of White and Black similar to VOC group | |
| Black | 5.9 | ||
| Asian | 10.1 | 13.5 | |
| Residential typea) (%) | 63.5 | 56.1 | <0.01 |
| Hospitalization rate (case, %) | 16 (0.9) | 26 (1.5) | 0.16 |
| Case fatality rate (case, %)b) | 12/1,340 (0.89) | 10/1,360 (0.73) | 0.65 |
| Reinfection rate (/1,000)c) | 1.13 | 1.70 | 1.00 |
Organized from Chand et al. [10].
VOC, variant of concern; PHE, Public Health England; NR, not reported.
a)
Resides in residential cluster.
b)
Men and women who have passed 28 days since the last date of sample collection (n=2,700). In another report discussed at the SAGE meeting of PHE, United Kingdom on January 21, 2021 [16], it was updated to 104 deaths in non-S gene target failure (SGTF) cases (0.2%) and 65 deaths in SGTF cases (0.1%) with a risk ratio of 1.65 (95% confidence interval, 1.21−2.25).
c)
Those with positive results of polymerase chain reaction (PCR) within 90 days of the last date of positive PCR.