Quadrivalent vs. Tetravalent — What's the Difference?

Tetravalent.

(Chemistry) Having valence 4.

(chemistry) Having a valence of four

Having four sites of attachment. Used of an antibody or antigen.

(of a vaccine) Protecting against four different (usually flu) viruses.

Containing antigens from four strains of a microorganism or virus. Used of a vaccine or serum.

(graph theory) Said of a graph: that all of its vertices have degree four.

(chemistry) Having an atomic valence of 4.

(genetics) Any quadrivalent chromosome

(medicine) Having a vaccine valence of 4.

Having a valence of four; capable of combining with, being replaced by, or compared with, four monad atoms; tetravalent; - said of certain atoms and radicals; thus, carbon and silicon are quadrivalent elements.

Having a valence of four; tetratomic; quadrivalent.

Haveing a valence of four