Effectiveness of the CoronaVac vaccine in older adults during a gamma variant associated epidemic of covid-19 in Brazil: test negative case-control study
In this paper by Ranzani and colleagues (BMJ 2021;374:n2015, doi:10.1136/bmj.n2015, published 20 August 2021), author Edlaine Faria de Moura Villela should have been shown affiliated with address 5…
