Quadrivalent
Quadrivalent
Quadrivalent (pronunciation: kwah-dri-va-lent) is a term used in the field of medicine and virology to describe a type of vaccine that is designed to protect against four different virus strains.
Etymology
The term "quadrivalent" is derived from the Latin words "quadri-", meaning four, and "valent", meaning strong. It refers to the vaccine's ability to provide immunity against four different strains of a virus.
Usage
In medicine, the term is most commonly used to refer to the influenza vaccine and the human papillomavirus (HPV) vaccine. The quadrivalent influenza vaccine protects against two strains of influenza A and two strains of influenza B, while the quadrivalent HPV vaccine protects against two high-risk HPV types (16 and 18) and two low-risk HPV types (6 and 11).
Related Terms
- Trivalent: A vaccine that provides immunity against three different strains of a virus.
- Bivalent: A vaccine that provides immunity against two different strains of a virus.
- Monovalent: A vaccine that provides immunity against a single strain of a virus.
See Also
External links
- Medical encyclopedia article on Quadrivalent
- Wikipedia's article - Quadrivalent
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