September 2022: Study investigating risk factors associated with COVID-19 deaths after a person received their primary and booster dose vaccine. identify risk factors associated Evaluation of Risk Factors for Postbooster Omicron COVID-19 Deaths in England Nafilyan, V; Ward, I.L; Robertson, C; et.al. JAMA Network Open Published online on: 8 September 2022 Available online at: http://www.doi.org/10.1001/jamanetworkopen.2022.33446 This article was published on 2024-09-24