Meaning & use
Antigenicity
Last updated
The capacity of a substance, such as a protein or microorganism, to provoke an immune response by binding to antibodies or immune receptors.
See it in a sentence
Researchers modified the vaccine to increase its antigenicity without raising toxicity.
Mutations in the virus's surface proteins can alter its antigenicity, allowing it to evade prior immunity.
A note on using this word
Antigenicity is closely related to but distinct from immunogenicity, which is the ability to actually trigger a full immune response rather than simply bind to antibodies.
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