Gunaratnam, Praveena, Catriona Furlong, Kirsty Hope, Leena Jupta, Craig Shadbolt, John Shields, Rodney McCarthy, et al. “Use of Prohibition Order After a Large Outbreak of Gastroenteritis Caused by a Norovirus Among Function Attendees ”. Western Pacific Surveillance and Response 3, no. 2 (May 30, 2013). Accessed May 30, 2026. https://ojs.wpro.who.int/ojs/index.php/wpsar/article/view/141.