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 In the first half of the 1950s, with no cure and no vaccine, more than 200,000 Americans were disabled by the poliovirus. Sean B. Carroll, Scientific American, "The Denialist Playbook," 8 Nov. 2020 Researchers have been scouring wastewater for remnants of poliovirus and opioids for years, but on only a community-level basis. Katherine Ellen Foley, Quartz, "So many communities are testing poop for Covid-19, equipment is running out," 1 Oct. 2020 The World Health Organization African Region has been certified free of the wild poliovirus. Charles Adams Cogan, Star Tribune, "Good news for a gloomy time: Polio has been eradicated from Africa," 15 Sep. 2020 As of this week, there have been 37 cases in 2020 caused by the wild poliovirus in Afghanistan and another 65 cases in Pakistan for a total of 102 cases worldwide this year. Charles Adams Cogan, Star Tribune, "Good news for a gloomy time: Polio has been eradicated from Africa," 15 Sep. 2020 With wild polio officially eradicated, more than 90 percent of the world’s population is now free from wild poliovirus, says the WHO in a statement. Nora Mcgreevy, Smithsonian Magazine, "Wild Polio Eradicated in 47 African Countries," 27 Aug. 2020 The wastewater surveillance program has been used worldwide, and has been helpful in identifying poliovirus, among others, found in community wastewater in some countries, according to the release. Amy Mcgorry, Fox News, "Colleges curtail coronavirus outbreaks through wastewater surveillance systems," 3 Sep. 2020 But then, in 2016, four new cases of wild poliovirus were reported. Ruth Maclean, New York Times, "Africa Celebrates the End of the Wild Poliovirus (but Not the End of All Polio)," 24 Aug. 2020 Seven decades of scientific and historical examination defused the mystery of the poliovirus. Bradley M. Wertheim, Smithsonian Magazine, "How a Polio Outbreak in Copenhagen Led to the Invention of the Ventilator," 10 June 2020

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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The first known use of poliovirus was in 1939

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Last Updated

12 Nov 2020

Cite this Entry

“Poliovirus.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/poliovirus. Accessed 27 Nov. 2020.

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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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