poliovirus

noun
po·​lio·​vi·​rus | \ ˈpō-lē-(ˌ)ō-ˌvī-rəs How to pronounce poliovirus (audio) \
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 First proposed more than 70 years ago as a way to track the spread of the deadly poliovirus, WBE has since been used to measure human population exposure to pollutants, and even to estimate the level of drug consumption in major cities. Laurie Winkless, Forbes, 8 Nov. 2021 Polio or poliomyelitis is caused by the poliovirus — an infectious disease that for the majority of those infected causes no symptoms. Luke Peterson, The Salt Lake Tribune, 21 Sep. 2021 Wild poliovirus can cause polio, an infectious disease that targets the nervous system and may result in paralysis, or even death. Matshidiso Moeti, STAT, 5 Sep. 2021 But the oral polio vaccine developed a few years later more successfully prevented infection by blocking the poliovirus from infiltrating through the gut. Ben Guarino, Anchorage Daily News, 23 July 2021 In the dish, the poliovirus tried to attack the HeLa cells. Ainissa Ramirez, Scientific American, 17 June 2021 Paralytic poliomyelitis is no longer a problem in the U.S. because of development and use of effective vaccines against the poliovirus. Arkansas Online, 23 May 2021 Paralytic poliomyelitis is no longer a problem in the U.S. because of development and use of effective vaccines against the poliovirus. Arkansas Online, 23 May 2021 In April 1955, Americans learned that Dr. Jonas Salk had successfully created a vaccine against the dreaded poliovirus that caused lifelong paralysis of one's legs. Thomas Balcerski, CNN, 11 June 2021

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

polio- (in poliomyelitis) + virus, later taken as New Latin

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The first known use of poliovirus was in 1939

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Dictionary Entries Near poliovirus

poliorcetics

poliovirus

polis

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Last Updated

25 Nov 2021

Cite this Entry

“Poliovirus.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/poliovirus. Accessed 1 Dec. 2021.

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More Definitions for poliovirus

poliovirus

noun
po·​lio·​vi·​rus | \ ˈpō-lē-(ˌ)ō-ˌvī-rəs How to pronounce poliovirus (audio) \
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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