How many hospitalizations has the COVID-19 vaccination already prevented in São Paulo? Rafael Izbicki; Leonardo S. Bastos; Meyer Izbicki; Hedibert F. Lopes; Tiago Mendonça dos Santos;

Seroprevalence of SARS-CoV-2 in Brazil: A systematic review and meta-analysis Gerusa Maria Figueiredo; Fátima Mitiko Tengan; Sergio Roberto Campos; Expedito José Luna;