"immune response." YourDictionary, n.d. Web. 22 September 2018. <http://www.yourdictionary.com/immune-response>.
immune response. (n.d.). Retrieved September 22nd, 2018, from http://www.yourdictionary.com/immune-response
An integrated bodily response to an antigen, in vertebrate animals including the immediate, nonspecific response of the innate immune system followed by the specific response of the adaptive immune system, which involves recognition of antigens by specific antibodies or previously sensitized lymphocytes.