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Reported cases of paralytic polio by world region, 1980 to 2020

This includes all reported cases of wild polioviruses and vaccine-derived polioviruses. (Source: Dattani S, Spooner F, Ochmann S, Roser M. Polio. Published online at OurWorldInData.org 2017, last revised 2022. Retrieved from: https://ourworldindata.org/polio. Creative Commons Attribution 4.0 International License [CC BY 4.0], https://creativecommons.org/licenses/by/4.0.)

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Associated Disorders

  • Aseptic meningitis
  • Bulbar polio
  • Bulbospinal polio
  • Infantile paralysis
  • Nonparalytic polio
  • Paralytic polio
  • Polioencephalitis
  • Post-polio progressive muscular atrophy
  • Post-polio syndrome
  • Spinal paralytic polio