ZHOU, Lei et al. Sudden increase in human infection with avian influenza A(H7N9) virus in China, September-December 2016. Western Pacific Surveillance and Response, Manila, Philippines, v. 8, n. 1, 2017. DOI: 10.5365/wpsar.2017.8.1.001. Disponível em: https://ojs.wpro.who.int/ojs/index.php/wpsar/article/view/521. Acesso em: 3 jun. 2026.