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Poliomyelitis incidence in the United States in 1945, by county

(Sources: CDC; Dauer CC. Incidence of poliomyelitis in the United States in 1945. Public Health Rep [1896] 1946;61:915-21. Original image was not quite square; this has been corrected by Dr. Douglas J Lanska.)

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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