Complex sentence: Immunogenicity is the ability of a particular substance, such as an antigen or epitope, to provoke an immune response in the body of a human or animal.in other words immunogenecity is the ability to induce a humoral or/and cell mediated immune response.
Split into simpler sentences: Immunogenicity is the ability of a particular substance, such as an antigen or epitope, to provoke an immune response in the body of a human or animal. In other words, immunogenecity is the ability to induce a humoral or/and cell mediated immune response.