NO AUTHORS LISTED. Communicable Diseases Surveillance: CDI volume 23 issue 9 (1999). Communicable Diseases Intelligence, [S. l.], v. 23, p. 247–255, 1999. DOI: 10.33321/cdi.1999.23.37. Disponível em: https://ojs.cdi.cdc.gov.au/index.php/cdi/article/view/2341. Acesso em: 5 apr. 2026.