Immunogene

... The property of a substance as an antigen is called antigenicity, and the strength of this ability is called high (strong) or low (weak) antigenicity. In addition, when considering antigens in terms of the establishment of immunity including antibody production, immunological tolerance, and the ability to cause allergies, they are also called immunogens, tolerogens, allergens, etc. Furthermore, giving an antigen to a living body to establish an immune state is called immunization (sensitization). ...

*Some terminology explanations that mention "immunogen" are listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

…　物質がもつ抗原としての性質は抗原性と呼ばれ，その能力の強弱は抗原性が高(強)い，低(弱)い等という。また，抗原を抗体産生を含む免疫の成立，免疫学的寛容やアレルギーを起こす能力に焦点をしぼって考えるとき，免疫原(イムノーゲンimmunogen)，寛容原(トレローゲンtolerogen)，アレルゲンallergenなどともいう。さらに，抗原を生体に与えて免疫状態等を成立させることを免疫(感作)するなどという。…

※「immunogen」について言及している用語解説の一部を掲載しています。

出典｜株式会社平凡社世界大百科事典 第２版について | 情報