Transição da idade de casos, internações e óbitos em internações por Covid-19 no município do Rio de Janeiro

The effectiveness of COVID-19 vaccines against severe cases and deaths in Brazil from 2021 to 2022: a registry-based study

The Lancet, 13 Mar 2023

BackgroundBrazil started the COVID-19 mass vaccination in January 2021 with CoronaVac and ChAdOx1, followed by BNT162b2 and Ad26.