1. World Health Organization. WHO statement on the meeting of the international health regulations emergency committee concerning the international spread of wild poliovirus, WHO Website, 2014,
https://www.who.int/mediacentre/news/statements/2014/polio-20140505/en/
. Accessed 14 Jan 2019.
2. Howard RS. Poliomyelitis and the post-polio syndrome. BMJ. 2005;330.
https://doi.org/10.1136/bmj.330.7503.1314
.
3. U.S. Centers for Disease Control and Prevention. Manual for the surveillance of vaccine-preventable diseases. CDC Website, 2008,
https://www.cdc.gov/vaccines/pubs/surv-manual/front-portion.html
. Accessed 14 Jan 2019.
4. World Health Organization. Statement of the 14th IHR emergency committee regarding the international spread of poliovirus. WHO Website, 2017,
http://www.who.int/mediacentre/news/statements/2017/14th-ihr-polio/en/
. Accessed 14 Jan 2019.
5. World Health Organization. Statement on the 9th IHR emergency committee meeting regarding the international spread of poliovirus. WHO website, 2016,
https://www.who.int/news-room/detail/20-05-2016-statement-on-the-9th-ihr-emergency-committee-meeting-regarding-the-international-spread-of-poliovirus
. Accessed 14 Jan 2019.