Silvano Barbosa de Oliveira

Epidemiological and clinical characteristics of the COVID-19 epidemic in Brazil

William Marciel de Souza, Lewis Buss, Darlan da Silva Cândido et al. · Nature Human Behaviour · 2020 · 445 citations · Full text

Veterinary Medicine, Infectious Diseases, Public Health Practice +13

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

Otávio T. Ranzani, Matt D. T. Hitchings, Murilo Dorión et al. · BMJ · 2021 · 342 citations · Full text

Veterinary Medicine, Infectious Diseases, Preventive Medicine +17

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

Matt D. T. Hitchings, Otávio T. Ranzani, Mario Torres et al. · The Lancet Regional Health - Americas · 2021 · 170 citations · Full text

Veterinary Medicine, Infectious Diseases, Preventive Medicine +17

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

Matt D. T. Hitchings, Otávio T. Ranzani, Mario Torres et al. · medRxiv · 2021 · 95 citations · Full text

Veterinary Medicine, Infectious Diseases, Preventive Medicine +17

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

Matt D. T. Hitchings, Otávio T. Ranzani, Murilo Dorión et al. · Nature Communications · 2021 · 80 citations · Full text

Medicine, Infectious Diseases, Preventive Medicine +17