Human infections with avian influenza A(H7N9) virus in China: preliminary assessments of the age and sex distribution. Western Pacific Surveillance and Response, [S. l.], v. 4, n. 2, 2013. DOI: 10.5365/wpsar.2013.4.2.005. Disponível em: https://ojs-dev.wpro.who.int/ojs/index.php/wpsar/article/view/203. Acesso em: 5 apr. 2026.