TRAN, Duong Nhu et al. The first community outbreak of COVID-19 in Viet Nam: description and lessons learned. Western Pacific Surveillance and Response, Manila, Philippines, v. 12, n. 2, 2021. DOI: 10.5365/wpsar.2020.11.2.016. Disponível em: https://ojs.wpro.who.int/ojs/index.php/wpsar/article/view/769. Acesso em: 3 jun. 2026.