Clinical implications
death, SARS-CoV-2 infection
WEST, SARS-COV-2 INFECTION
This emulation of a target trial of a head-to-head comparison of two vaccines, provides evidence that the effectiveness of the BNT162b2 against COVID-19 appears better than the ChAdOx1 vaccine for both SARS-CoV-2 infection and hospitalisation for COVID-19 but not death from COVID-19. The percentage of fully vaccinated population remains low (<20%) in most countries of Africa and several countries of West Asia [