monovalent
Americanadjective
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Chemistry. univalent.
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Immunology.
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containing only one kind of antibody.
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pertaining to an antibody fragment with one antigen-binding site.
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adjective
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Having a valence of 1; univalent.
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Containing antigens from a single strain of a microorganism or virus. Used of a vaccine or serum.
Other Word Forms
Etymology
Origin of monovalent
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
“Use of monovalent vaccines also would increase the number of injections a child would need and increase the number of visits required to complete the vaccination series.”
From Los Angeles Times ● Aug. 12, 2026
But those with the newer monovalent vaccine had 3.5x higher levels of antibodies against the XBB and BQ.1.1 strains after their booster vaccination.
From Science Daily ● Mar. 12, 2024
Tan said he agrees that a monovalent is best, in part because it's easier to produce and will be more accessible in countries of lower socioeconomic status.
From Salon ● Jun. 4, 2023
It has found that monovalent vaccines against Omicron perform somewhat better than those that include the ancestral strain.
From Science Magazine ● May 22, 2023
The effectiveness of the various electrolytes in bringing about this change is proportional to their valency; bivalent ions are from 70 to 80 times, and trivalent ions about 600 times as effective as monovalent ions.
From The Chemistry of Plant Life by Roscoe Wilfred Thatcher
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