Works Cited

Pike-Sherwood, Martha, and Fleming L. Fallon, Jr. "Poliomyelitis." Magill's Medical Guide (2013): n. pag. Web. 4 Dec. 2015

"How the Poliovirus Works." Smithsonite National Museum of American History. Smithsonian, n.d. Web. 4 Dec. 2015

Mayo Clinic Staff. "Polio." Mayo Clinic, n.d. Web. 4 Dec. 2015.