CASE DEFINITIONS WORKING GROUP. Revised surveillance case definitions: poliovirus (non-paralytic) infection; poliovirus (paralytic) infection; viral haemorrhagic fever. Communicable Diseases Intelligence, [S. l.], v. 37, p. 415–417, 2013. DOI: 10.33321/cdi.2013.37.53. Disponível em: https://ojs.cdi.cdc.gov.au/index.php/cdi/article/view/1251. Acesso em: 8 apr. 2026.