Origin of poliovirus
New Latin, from poliomyelitis + virus
First Known Use: 1953
Medical Definition of poliovirus
: a picornavirus of the genus Enterovirus (species Poliovirus) that occurs in three distinct serotypes that cause polio ◆The poliovirus is typically transmitted orally by food, drink, or hands that are contaminated with infected fecal matter. The virus may sometimes be transmitted by the respiratory droplets or saliva of an infected individual. The poliovirus multiplies in the intestinal tract and sometimes spreads in the bloodstream throughout the body. <A distinctive characteristic of acute polio infection is the predilection of the poliovirus for the nerve cells that control muscles.—Lauro S. Halstead, Scientific American, April 1998>
Variants of poliovirus
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