Poliomyelitis is a disease caused by the poliovirus, which has the ability to infect motor neurons in the spinal cord and cause paralysis. American President Franklin Roosevelt was famously crippled by polio. The poliovirus exists in a few different serotypes, which belong to the genus enterovirus and the family picornaviridae. How do they spread, and what are the other symptoms? Is this disease still a concern? Let's take a look.

Script by Kellie Vinal

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