monovalent

[ mon-uh-vey-luhnt ]

adjective

1. Chemistry. univalent.
2. Immunology.
   1. containing only one kind of antibody.
   2. pertaining to an antibody fragment with one antigen-binding site.

monovalent

/ ˌmɒnəʊˈveɪlənt /

adjective

1. chem Alsounivalent
   1. having a valency of one
   2. having only one valency

monovalent

/ mŏn′ə-vā′lənt /

1. Having a valence of 1; univalent.
2. Containing antigens from a single strain of a microorganism or virus. Used of a vaccine or serum.

Derived Forms

• ˌmonoˈvalence, noun

Other Words From

• mono·valence mono·valen·cy noun

Word History and Origins

Origin of monovalent¹

First recorded in 1865–70; mono- + -valent

Example Sentences

Some countries were indeed able to quash type 2 outbreaks with the monovalent vaccine.

From Science Magazine

They found that the monovalent vaccine increased their ability to produce mucosal antibodies against most of the tested variants, whereas the bivalent vaccine didn't provide a significant boost.

From Science Daily

Tan, chief policy and partnerships officer at Immunize.org, told Salon he thinks it's difficult to make a definitive statement that the bivalent boosters weren't as effective as the monovalent ones.

From Salon

It has found that monovalent vaccines against Omicron perform somewhat better than those that include the ancestral strain.

From Science Magazine

Likewise, FDA spokeswoman Abby Capobianco said that such claims tying the discontinuation of the monovalent shots to safety “are entirely false and without basis in fact.”

From Seattle Times