The use of social media in public health surveillance. Western Pacific Surveillance and Response, [S. l.], v. 6, n. 2, 2015. DOI: 10.5365/wpsar.2015.6.1.019. Disponível em: https://ojs-dev.wpro.who.int/ojs/index.php/wpsar/article/view/319. Acesso em: 4 apr. 2026.