Is SARS-CoV-2 transmitted by asymptomatic and pre-symptomatic infected individuals?. Acta Medica Philippina, [S. l.], 2021. DOI: 10.47895/amp.v54i0.2644. Disponível em: https://actamedicaphilippina.upm.edu.ph/index.php/acta/article/view/2644. Acesso em: 17 apr. 2025.