NGUYEN, H. K. L.; NGUYEN, S. V.; HOANG, P. M. V.; LE, T. T.; TRAN, H. thi T.; NGUYEN, L. H. P.; PHAM, T. Q.; NGUYEN, T. T.; DANG, A. D.; NGUYEN, A. P.; LE, M. thi Q. Virological characteristics of cases of COVID-19 in northern Viet Nam, January–May 2020. Western Pacific Surveillance and Response, [S. l.], v. 12, n. 4, p. 6, 2021. DOI: 10.5365/wpsar.2021.12.4.833. Disponível em: https://ojs.wpro.who.int/ojs/index.php/wpsar/article/view/833. Acesso em: 9 may. 2024.