Covid

Vaccine effectiveness of ChAdOx1 nCoV-19 against COVID-19 in a socially vulnerable community in Rio de Janeiro, Brazil: a test-negative design study

Ranzani OT, Silva ADABD, Peres IT, Antunes BBdP, Gonzaga-Da-Silva TW, Soranz D, Cerbino-Neto J, Hamacher S, Bozza FA

May 1, 2022

Booster doses for inactivated COVID-19 vaccines: if, when, and for whom

Croda J, Ranzani OT

Apr 1, 2022

Seroepidemiology of SARS-CoV-2 on a partially vaccinated island in Brazil: Determinants of infection and vaccine response

Cerbino-Neto J, Peres IT, Varela MC, ..., Ranzani OT, ..., Bozza FA, Penna GO

Jan 1, 2022

Effectiveness of ChAdOx1 vaccine in older adults during SARS-CoV-2 Gamma variant circulation in São Paulo

Hitchings MDT, Ranzani OT, Dorión M, ..., Ko AI, Croda J

Oct 28, 2021

Effectiveness of CoronaVac among healthcare workers in the setting of high SARS-CoV-2 Gamma variant transmission in Manaus, Brazil: A test-negative case-control study

Hitchings MDT, Ranzani OT, Torres MSS, ..., Ko AI, Croda J

Sep 1, 2021

Effectiveness of the CoronaVac vaccine in older adults during a gamma variant associated epidemic of covid-19 in Brazil: test negative case-control study

Ranzani OT, Hitchings MDT, Dorión M, ..., Ko AI, Croda J

Aug 20, 2021

COVID-19 hospital admissions: Brazil's first and second waves compared

Bastos LdSL, Ranzani OT, Souza TML, Hamacher S, Bozza FA

Aug 1, 2021

Recovery after prolonged ICU treatment in patients with COVID-19

Parotto M, Myatra SN, Munblit D, Elhazmi A, Ranzani OT, Herridge MS

Aug 1, 2021

Community-acquired pneumonia severity assessment tools in patients hospitalized with COVID-19: a validation and clinical applicability study

Neto FL, Marino LO, Torres A, ..., Souza HP, Ranzani OT

Jul 1, 2021

Characterisation of the first 250,000 hospital admissions for COVID-19 in Brazil: a retrospective analysis of nationwide data

Ranzani OT, Bastos LdSL, Gelli JGM, Marchesi JF, Baião F, Hamacher S, Bozza FA

Apr 1, 2021