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Wild poliovirus type 1 cases worldwide, January 2021 to December 2023

Abbreviation: WPV1, wild poliovirus type 1. (Source: Geiger K, Stehling-Ariza T, Bigouette JP, et al. Progress toward poliomyelitis eradication - Worldwide, January 2022-December 2023. MMWR Morb Mortal Wkly Rep 2024;73[19]:441-446. Public domain.)

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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