MDPI, Neurology International, 1(7), 2015
DOI: 10.4081/ni.2015.5452
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Previous acute poliomyelitis (PAP) can be defined as an endemic human disease caused by an enterovirus of worldwide distribution, which compromises the anterior horn cells of the spinal cord. Poliovirus has infected and victimized thousands of people all over the world. Only after the development of the inactivated virus vaccine by Jonas Salk, in 1955, and then with the attenuated virus vaccine, by Albert Bruce Sabin, in 1961, we saw a reduction in the number of poliomyelitis cases in the world.