Modelling the impact of contact tracing of symptomatic individuals on the COVID-19 epidemic. Clinics, [S. l.], v. 76, p. e2639, 2021. DOI: 10.6061/clinics/2021/e2639. Disponível em: https://journals.usp.br/clinics/article/view/192322.. Acesso em: 9 jun. 2024.