Figueiredo, Gerusa Maria, Fátima Mitiko Tengan, Sergio Roberto Campos, and Expedito José Luna. 2023. “Seroprevalence of SARS-CoV-2 in Brazil: A Systematic Review and Meta-Analysis”. Clinics 78 (June): 100233. https://doi.org/10.1016/j.clinsp.2023.100233.