Excess mortality rather than case fatality rate is a superior indicator to assess the impact of COVID-19 pandemic
Global distribution of estimated excess mortality rate due to the COVID-19 pandemic, for the cumulative period 2020–2021
Since the end of 2021, the world has been grappling with a series of COVID-19 outbreaks caused by the highly transmissible Omicron variant. Though the Omicron variant has a fatality rate that is lower than other variants and high vaccine coverage, more countries have lifted their non-pharmaceutical interventions (NPIs) and tried to combine natural infection and vaccine immunity to achieve herd immunity, so as to coexist with the virus.
