Observational cohort study of patients with influenza-like illness during the period 2010 - 2013. Actualizaciones en Sida e Infectología, [S. l.], v. 23, n. 89, 2023. DOI: 10.52226/revista.v23i89.248. Disponível em: https://revista.infectologia.info/index.php/revista/article/view/248. Acesso em: 7 feb. 2026.