Edouard Mathieu. (2022, January 17). Update: Switzerland now reports deaths by booster status. Compared to unvaccinated people, the COVID mortality rate is: • 9x lower after full vaccination • 48x lower after a booster [From our post with @maxcroser on death rates by vaccination status: Http://ourworldindata.org/covid-deaths-by-vaccination] https://t.co/ozWueyHO2k [Tweet]. @redouad. https://twitter.com/redouad/status/1482991873190936576