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

Enteroviruses also include poliovirus, coxsackievirus (which causes myocarditis, or heart inflammation) and EV-D68, a virus that has been linked to acute flaccid myelitis. Simon Makin, Scientific American, "A Newly Identified Protein May Be the Key to Vanquishing the Common Cold," 17 Sep. 2019 For one thing, enteroviruses were already linked to paralytic illnesses—poliovirus is a type of enterovirus. Beth Mole, Ars Technica, "Mysterious illness that paralyzes healthy kids prompts plea from CDC," 10 July 2019 Rashid Janjua, a neurosurgeon at Novant Health in Winston-Salem, North Carolina, told Teen Vogue that polio is caused by a virus, called poliovirus, that affects the spinal cord. Josephine Yurcaba, Teen Vogue, "What to Know About AFM, the Polio-Like Illness Spreading Among Kids," 4 Dec. 2018 Though experts haven’t yet identified one singular cause of AFM, some enteroviruses — including poliovirus, enterovirus A71 (EV-A71), and West Nile virus — are known to cause AFM, according to the CDC. Josephine Yurcaba, Teen Vogue, "What to Know About AFM, the Polio-Like Illness Spreading Among Kids," 4 Dec. 2018 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

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.

See More

First Known Use of poliovirus

1939, in the meaning defined above

History and Etymology for poliovirus

New Latin, from poliomyelitis + virus

Keep scrolling for more

Learn More about poliovirus

Statistics for poliovirus

Last Updated

30 Sep 2019

Look-up Popularity

Time Traveler for poliovirus

The first known use of poliovirus was in 1939

See more words from the same year

Keep scrolling for more

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

Comments on poliovirus

What made you want to look up poliovirus? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

a topic to which one constantly reverts

Get Word of the Day daily email!

Test Your Vocabulary

Where in the World? A Quiz

  • peter bruegel tower of babel painting
  • What language does pajama come from?
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
Syn City

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!