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Related to quadrivalent: vaccinee, reactogenic


having a valence of four.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.


Having the combining power (valency) of four.
Synonym(s): tetravalent
Farlex Partner Medical Dictionary © Farlex 2012



quad′ri·va′lence, quad′ri·va′len·cy n.
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.


Having the combining power (valency) of four.
Synonym(s): tetravalent.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012
References in periodicals archive ?
For boys and men 9 to 26 years old, Gardasil, the quadrivalent HPV vaccine, is licensed for prevention of(l) anal cancer caused by HPV-16 and 18, (2) genital warts caused by HPV-6 and 11, and (3) grades 1 to 3 AIN caused by HPV-6, 11, 16, and 18.
Four-strain versions are sold under the names Fluzone Quadrivalent, Fluarix Quadrivalent and FluLaval Quadrivalent.
Both vaccines are currently in use in Bulgaria; the quadrivalent one was introduced in 2007, and the bivalent one in 2008.
The aim was to determine whether the quadrivalent vaccine would reduce the incidence of CIN 2,3, adenocarcinoma in situ, or invasive carcinoma of the cervix related to HPV subtypes 16 and 18.
The expanded approval now includes persons aged 6-59 months; the quadrivalent vaccine had previously been approved for ages 5 years and up.
Influenza vaccine supplier Seqirus revealed on Tuesday the receipt of approval from the US Food and Drug Administration (FDA) for AFLURIA QUADRIVALENT (Influenza Vaccine) for use in people six months of age and older as well as the trivalent formulation of AFLURIA (Influenza Vaccine).
The drug maker said it began shipping the quadrivalent influenza vaccines to health care providers and pharmacies as soon as it received licensing and lot-release approval from the Food and Drug Administration's Center for Biologies Evaluation and Research.
22, 2018 (HealthDay News) -- Catch-up doses of quadrivalent human papillomavirus (HPV) vaccination are effective for girls and women aged 14 to 20 years at the time of first dose, according to a study published online Aug.
The proposed recommendation that sparked the debate would change the wording of the previous recommendation for pregnant women to receive a seasonal inactivated influenza vaccine (IIV) to "any licensed, recommended, and age-appropriate, trivalent or quadrivalent IIV or RIV [recombinant influenza vaccine] may be used."
Each dose of the quadrivalent HPV vaccine costs P5,000 in the market.
Pfizer has entered into an agreement with GlaxoSmithKline to acquire its quadrivalent meningitis ACWY vaccines, Nimenrix and Mencevax, for a total consideration of approximately $130 million.