13+ Natural Active Immunity Definition US. Supplement active immunity involves the production of. Active immunity results when exposure to a disease organism triggers the immune system to produce antibodies to that disease.
Antibody produced response to infection in some cases immunity may be life long example measles small pox.
Active immunity is defined as an adaptive immunity that is induced by natural exposure to a pathogen or by vaccination. Exposure to the disease organism can occur through infection with the actual disease (resulting in natural immunity), or introduction of a killed or weakened form of the disease. Free learning resources for students covering all major areas of biology. Definition noun an active immunity acquired by experiencing and having recovered from a disease.