IMMUNE

[adjective] - protected against a particular disease by particular substances in the blood, or (figurative) unable to be influenced by something, esp. something badHe seems to be immune to colds - he just never gets them.(figurative) The press had criticised her so often that in the end she had become immune (to it) (= was not worried or annoyed by it).(figurative) Journalists, he insisted, must not be immune (= be protected) from prosecution.The immune response is the reaction within the body which is caused by the presence of antigens (= foreign substances), and results in the production of antibodies which can fight disease by killing the bacteria or viruses which cause it.The immune system is the various cells and tissues in the body which make it able to protect itself against infection.