poliovirus

noun
po·lio·vi·rus | \ˈpō-lē-(ˌ)ō-ˌvī-rəs \
variants: or less commonly polio virus

Definition of poliovirus 

: an enterovirus (species Poliovirus) occurring in three distinct serotypes that cause polio

Note: 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.

Examples of poliovirus in a Sentence

Recent Examples on the Web

After two years, the poliovirus group started faring better. Marilynn Marchione, The Seattle Times, "Enemy turned ally: Poliovirus is used to fight brain tumors," 26 June 2018 After two years, the poliovirus group started faring better. Marilynn Marchione, chicagotribune.com, "Enemy turned ally: How poliovirus is used to fight brain tumors," 26 June 2018 After two years, the poliovirus group started faring better. Washington Post, "Enemy turned ally: Poliovirus is used to fight brain tumors," 26 June 2018 At one year, 54 percent of the poliovirus patients were alive compared to 45 percent of the historical control patients. Adam Feuerstein, STAT, "Poliovirus therapy shows early promise in patients with aggressive brain cancer but questions linger," 26 June 2018 Last year there were 22 children in the world paralyzed by polioviruses; vaccine viruses crippled 96. Helen Branswell, STAT, "The vaccine dilemma: How experts weigh benefits for many against risks for a few," 23 Apr. 2018 New trials using poliovirus on other solid tumors, like breast cancer and melanoma, are expected to start in the next few weeks. Jonathan Lapook, CBS News, "Trial shows poliovirus may be effective in treating deadly brain cancer glioblastoma," 26 June 2018 The poliovirus can attach to a protein on the surface of cancer cells. Jonathan Lapook, CBS News, "Trial shows poliovirus may be effective in treating deadly brain cancer glioblastoma," 26 June 2018 Originally, there were three types of wild poliovirus. Time, "How Nigeria's Start-Stop Immunization Battle Is Winning the War to Eradicate Polio in Africa," 5 May 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'poliovirus.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of poliovirus

1939, in the meaning defined above

History and Etymology for poliovirus

New Latin, from poliomyelitis + virus

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14 Oct 2018

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The first known use of poliovirus was in 1939

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More Definitions for poliovirus

poliovirus

noun
po·lio·vi·rus | \ˈpō-lē-(ˌ)ō-ˌvī-rəs \
variants: also polio virus

Medical Definition of poliovirus 

: a picornavirus of the genus Enterovirus (species Poliovirus) that occurs in three distinct serotypes that cause polio

Note: 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

More from Merriam-Webster on poliovirus

Britannica.com: Encyclopedia article about poliovirus

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