SOARES, Graciela dos Santos et al. Low frequency of SARS-CoV2 infection in daycare centers during the reopening of school activities in the Southeast’s poor area of Brazil. Revista do Instituto de Medicina Tropical de São Paulo, São Paulo, Brasil, v. 64, p. e46, 2022. DOI: 10.1590/S1678-9946202264046. Disponível em: https://revistas.usp.br/rimtsp/article/view/199568.. Acesso em: 16 jul. 2024.