[Preprint] Estimating the early impact of immunization against COVID-19 on deaths among older adults in Brazil

Estimating the early impact of immunization against COVID-19 on deaths among elderly people in Brazil: analyses of secondary data on vaccine coverage and mortality. – medRxiv

Commentary on Twitter (thread – click for more)

Wonderful news from Brazil: as 1st dose vax reached over 95% for 80+yr-olds (77% CoronaVac, AZ 16%), their Covid mortality rate began to decline rapidly (halved at study end), even though P1 variant was dominating… 1/2 https://t.co/ezLoVFVQEu (Preprint) pic.twitter.com/uriNEiUpy0

— Hilda Bastian, PhD (@hildabast) May 1, 2021