Source: wikibot/avidity
= Avidity
{wiki=Avidity}
Avidity is a term used in various fields, but most commonly, it refers to the strength of the binding interaction between antibodies and antigens. In immunology, avidity describes the overall strength of the binding of an antibody to its respective antigen, taking into account both the affinity of the antibody for a single epitope and the number of epitopes that the antibody can bind.