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poliomyelitis virus

n.
  1. The picornavirus that causes poliomyelitis. Serologic types 1, 2, and 3 are recognized, type 1 being responsible for most cases of paralytic poliomyelitis and most epidemics.poliovirus poliovirus hominis
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.