quadrivalent
1 of 2adjective
quad·ri·va·lent ˌkwä-drə-ˈvā-lənt 
in sense 2
kwä-ˈdri-və-lənt 1
: tetravalent
2
: composed of four homologous chromosomes synapsed in meiotic prophase
quadrivalent
2 of 2noun
: a quadrivalent chromosomal group
Example Sentences
Recent Examples on the Web
Kate Morgan, The Cut, 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, 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, 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, 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, 21 June 2017 Dr. Aiya Aboubakr, ABC News, 26 Feb. 2022 All flu vaccines are quadrivalent, or made up of four components, meaning they are designed to protect you against four flu viruses. Emily Deletter, The Enquirer, 28 Sep. 2021 In the not-too-distant past only one of the B viruses was included in flu shots every year, but now most brands are quadrivalent — four-in-one shots that include one version each of the H1N1 and H3N2 viruses, and both flu B viruses. Helen Branswell, STAT, 2 June 2021 For perspective, the price of one’s annual quadrivalent flu shot ranges from $35 - $41, with the more potent shot being almost twice as high. John Lamattina, Forbes, 15 Apr. 2021 Another formulation, a quadrivalent flu vaccine, includes an extra influenza type B strain. Miriam Fauzia, USA TODAY, 21 Oct. 2020 The new feature of this season’s vaccine — and what will be prioritized for those at higher risk — is that instead of being trivalent (protecting against three different strains), the vaccine is quadrivalent (protecting against four strains). Annie Vainshtein, SFChronicle.com, 22 Sep. 2020 The shot protects against either three strains (trivalent) or four strains (quadrivalent). Ian Richardson, USA TODAY, 19 Sep. 2020 One vaccine contains two flu A strains and one flu B strain, called a trivalent vaccine, while the other contains those three strains plus an additional flu B strain, called quadrivalent. Adrianna Rodriguez, USA TODAY, 21 Aug. 2020 See More
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, 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, 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, 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, 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, 21 June 2017 Noun
In addition to differences in technology, an extra challenge is that the most common influenza vaccine in the U.S. is quadrivalent, meaning it is designed to protect against four different flu viruses. Dr. Aiya Aboubakr, ABC News, 26 Feb. 2022 All flu vaccines are quadrivalent, or made up of four components, meaning they are designed to protect you against four flu viruses. Emily Deletter, The Enquirer, 28 Sep. 2021 In the not-too-distant past only one of the B viruses was included in flu shots every year, but now most brands are quadrivalent — four-in-one shots that include one version each of the H1N1 and H3N2 viruses, and both flu B viruses. Helen Branswell, STAT, 2 June 2021 For perspective, the price of one’s annual quadrivalent flu shot ranges from $35 - $41, with the more potent shot being almost twice as high. John Lamattina, Forbes, 15 Apr. 2021 Another formulation, a quadrivalent flu vaccine, includes an extra influenza type B strain. Miriam Fauzia, USA TODAY, 21 Oct. 2020 The new feature of this season’s vaccine — and what will be prioritized for those at higher risk — is that instead of being trivalent (protecting against three different strains), the vaccine is quadrivalent (protecting against four strains). Annie Vainshtein, SFChronicle.com, 22 Sep. 2020 The shot protects against either three strains (trivalent) or four strains (quadrivalent). Ian Richardson, USA TODAY, 19 Sep. 2020 One vaccine contains two flu A strains and one flu B strain, called a trivalent vaccine, while the other contains those three strains plus an additional flu B strain, called quadrivalent. Adrianna Rodriguez, USA TODAY, 21 Aug. 2020 See More Word History
Etymology
Adjective
International Scientific Vocabulary
First Known Use
Adjective
1865, in the meaning defined at sense 1
Noun
1923, in the meaning defined above
Medical Definition
quadrivalent 1 of 2
adjective
quad·ri·va·lent
ˌkwäd-rə-ˈvā-lənt, in sense 2 kwä-ˈdriv-ə-lənt
1
: tetravalent
2
: composed of four homologous chromosomes synapsed in meiotic prophase
quadrivalent
2 of 2noun
: a quadrivalent chromosomal group