Severe hospital events following symptomatic infection with Sars-CoV-2 Omicron and Delta variants in France, December 2021–January 2022: A retrospective, population-based, matched cohort study

• Published in: EClinicalMedicine Vol. 48; p. 101455
• Main Authors: Auvigne, Vincent, Vaux, Sophie, Strat, Yann Le, Schaeffer, Justine, Fournier, Lucie, Tamandjou, Cynthia, Montagnat, Charline, Coignard, Bruno, Levy-Bruhl, Daniel, Parent du Châtelet, Isabelle
• Format: Journal Article
• Language: English
• Published: England Elsevier Ltd 01.06.2022; Elsevier
• Subjects: COVID-19; Delta; Epidemiology; Omicron; SARS-CoV-2; Vaccination; COVID-19; SARS-CoV-2; Omicron; Delta; Epidemiology; Vaccination

A rapid increase in incidence of the SARS-CoV-2 Omicron variant (sub-lineage BA.1) occurred in France in December 2021, while the Delta variant was prevailing since July 2021. We aimed to determine whether the risk of a severe hospital event following symptomatic SARS-CoV-2 infection differs for Omi...