- Poliomyelitis Eradication Program – website of the World Health Organization (WHO) http://www.polioeradication.org
- Information on the poliomyelitis vaccine – Centers for Disease Control and Prevention website (CDC) http://www.cdc.gov/vaccines/pubs/vis/downloads/vis-IPV.pdf
- Information on poliomyelitis – website of the World Health Organization (WHO) http://www.who.int/mediacentre/factsheets/fs114/en