1. WHO‐recommended standards for surveillance of selected vaccine‐preventable diseases;World Health Organization WHO/V&B/03.01;Poliomyelitis,2003
2. Progress towards polio eradication worldwide, January 2016‐March 2018;Khan F;Wkly. Epidemiol. Rec.,2018
3. Australia declared polio free;Watson C;Commun. Dis. Intell.,2002
4. Major milestone reached in global polio eradication: Western Pacific Region is certified polio‐free;WHO Press Release WHO/71 (29 October 2000);Commun. Dis. Intell.,2000
5. Surveillance systems to tract progress towards polio eradication worldwide, 2015–2016;Maes E;Wkly. Epidemiol. Rec.,2017