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quadrivalent

quad·ri·va·lent [ ˌkwä-drə-ˈvā-lənt]

quadrivalent

noun

Definition of quadrivalent (Entry 2 of 2)

: a quadrivalent chromosomal group

quadrivalent

adjective

Definition of quadrivalent

(Entry 1 of 2)

1 : tetravalent

2 : composed of four homologous chromosomes synapsed in meiotic prophase

Recent Examples on the Web

Recent Examples on the Web: Adjective
//Both the trivalent and quadrivalent vaccines given this year protect against the B strain that seems to be popping up most often, but there could still be other strains out there.
— Kate Morgan, The Cut, "What to Know About Influenza B, the ‘Second Wave’ of Flu Season," 4 Apr. 2018
//Both lab and rapid-flu tests show more than 70 percent of patients are testing positive for Influenza B, which historically is less serious than Influenza A and the B strain is covered by this year's quadrivalent flu shot.
— Bill Hanna, star-telegram, "Finally, this deadly flu season is showing signs of improving in North Texas | Fort Worth Star-Telegram," 2 Mar. 2018
//Both the trivalent and quadrivalent vaccines given this year protect against the B strain that seems to be popping up most often, but there could still be other strains out there.
— Kate Morgan, The Cut, "What to Know About Influenza B, the ‘Second Wave’ of Flu Season," 4 Apr. 2018
//Both lab and rapid-flu tests show more than 70 percent of patients are testing positive for Influenza B, which historically is less serious than Influenza A and the B strain is covered by this year's quadrivalent flu shot.
— Bill Hanna, star-telegram, "Finally, this deadly flu season is showing signs of improving in North Texas | Fort Worth Star-Telegram," 2 Mar. 2018
//Typically, trivalent formulations include two A strains and one B strain, and quadrivalent formulations add a second B strain.
— Susan Scutti, CNN, "CDC panel again advises against FluMist," 21 June 2017
Recent Examples on the Web: Noun
//For example, the four-strain (quadrivalent) Flucelvax from Sequirus in Maidenhead, UK, is generated in mammalian cells and has been approved for seasonal flu in both Europe and the United States.
— Eric Bender, Scientific American, "Accelerating flu protection," 18 Sep. 2019
//The quadrivalent version protects against four strains of flu.
— Anne Saker, Cincinnati.com, "We’re almost done with a brutal flu season. Get ready now for next year.," 2 Apr. 2018
//Protection against one of the strains circulating in Alabama, Type B/Yamagata, is available only in the quadrivalent vaccine, according to ADPH.
— Mike Cason, AL.com, "Alabama Public Health Department says flu cases rising," 29 Dec. 2017
//Flu vaccines generally come as trivalent or quadrivalent formulas.
— Beth Mole, Ars Technica, "Looks like a rough flu season ahead. Here are answers to ALL your flu questions," 9 Dec. 2017
//For northern climes, the WHO proposes a cocktail of H1N1, H3N2 and a B virus—and for those interested in a quadrivalent vaccine, a dash of B/Phuket/3073/2013-like virus.
— Brian W. Simpson, Smithsonian, "What’s In Your Flu Shot?," 24 Oct. 2017
//Vaccines include high dose for adults over 65 years and quadrivalent for ages five years and older.
— Courant Community, "Community News For The Valley Edition," 18 Sep. 2017
//Vaccines include high dose for adults over 65 years and quadrivalent for ages five years and older.
— Courant Community, "Community News For The Valley Edition," 29 Aug. 2017
//At last year's meeting, MedImmune's Dr. Chris Ambrose shared results from the company's 2015-16 effectiveness study, which found the FluMist quadrivalent vaccine to be 46% effective, compared with the flu shot's 65% effectiveness.
— Susan Scutti, CNN, "CDC panel again advises against FluMist," 21 June 2017

First Known Use of quadrivalent

Adjective

1865, in the meaning defined at sense 1

Noun

1923, in the meaning defined above

History and Etymology for quadrivalent

Adjective

International Scientific Vocabulary

Dictionary Entries near quadrivalent