22+ What Is Natural Immunity In Biology US. Immunity to disease that occurs as part of an individual's natural biologic makeup.immunity brought about by the possession of suitable antibodies to fight. Free learning resources for students covering all major areas of biology.
Natural immunity describes the state of being able to resist illnesses;
This type of immunity is natural because deliberate exposure does not induce it. Such a condition originates in a healthy immune system. Natural killer cells are called natural killers because they are ready to kill as soon as they are formed. Innate immunity is the first line of defense and encoded in the germline.