Browsing by Author "Oliveira, Silvano Barbosa de"
Now showing items 1-4 of 4
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Change in COVID-19 risk over time following vaccination with CoronaVac: a testnegative case-control study
Hitchings, Matt D. T. et al. | Date Issued: 2021 -
Effectiveness of ChAdOx1 vaccine in older adults during SARS-CoV-2 gamma variant circulation in São Paulo
Hitchings, Matt D. T. et al. | Date Issued: 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, Matt D. T. et al. | Date Issued: 2022 -
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, Otavio T. et al. | Date Issued: 2021