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- Title
Hospitalization and Mortality Risk for COVID-19 Cases With SARS-CoV-2 AY.4.2 (VUI-21OCT-01) Compared to Non-AY.4.2 Delta Variant Sublineages.
- Authors
Nyberg, Tommy; Harman, Katie; Zaidi, Asad; Seaman, Shaun R; Andrews, Nick; Nash, Sophie G; Charlett, Andre; Bernal, Jamie Lopez; Myers, Richard; Groves, Natalie; Gallagher, Eileen; Gharbia, Saheer; Chand, Meera; Thelwall, Simon; Angelis, Daniela De; Dabrera, Gavin; Presanis, Anne M
- Abstract
To investigate if the AY.4.2 sublineage of the SARS-CoV-2 delta variant is associated with hospitalization and mortality risks that differ from non-AY.4.2 delta risks, we performed a retrospective cohort study of sequencing-confirmed COVID-19 cases in England based on linkage of routine health care datasets. Using stratified Cox regression, we estimated adjusted hazard ratios (aHR) of hospital admission (aHR = 0.85; 95% confidence interval [CI],.77–.94), hospital admission or emergency care attendance (aHR = 0.87; 95% CI,.81–.94), and COVID-19 mortality (aHR = 0.85; 95% CI,.71–1.03). The results indicate that the risks of hospitalization and mortality are similar or lower for AY.4.2 compared to cases with other delta sublineages.
- Publication
Journal of Infectious Diseases, 2022, Vol 226, Issue 5, p808
- ISSN
0022-1899
- Publication type
Article
- DOI
10.1093/infdis/jiac063