Browsing by Author "Hitchings, Matt D. T."
Now showing items 1-6 of 6
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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 an inactivated Covid-19 vaccine with homologous and heterologous boosters against Omicron in Brazil
Ranzani, Otavio T. et al. | Date Issued: 2022 -
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 CoronaVac, ChAdOx1 nCoV-19, BNT162b2, and Ad26.COV2.S among individuals with previous SARS-CoV-2 infection in Brazil: a test-negative, case-control study
Silva, Thiago Cerqueira 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