Information Guide - External Links
- http://en.wikipedia.org/wiki/Poliovirus
- http://www.dhpe.org/infect/polio.html
- http://americanhistory.si.edu/polio/virusvaccine/how.htm
- http://en.wikipedia.org/wiki/Poliomyelitis
- www.ncbi.nlm.nih.gov
- http://www.polioeradication.org/Polioandprevention.aspx
- http://polio.emedtv.com/polio/polio-prevention.html
- http://www.polioeradication.org/Polioandprevention/Thevaccines.asp
- http://www.brown.edu/Courses/Bio_160/Projects1999/polio/vac.html