Turning point in COVID-19 severity and fatality during the pandemic: a national cohort study in Qatar
Turning point in COVID-19 severity and fatality during the pandemic: a national cohort study in Qatar
Objective To assess the evolution of COVID-19 severity and fatality in a unique setting that consistently applied, throughout the pandemic, rigorous and standardised criteria for defining severe COVID-19 outcomes. Methods and analysis We conducted a national cohort study on 312 109 Qatari citizens to investigate incidence of severe, critical or …