View What Is Natural Active Immunity US. Similarly to the natural active immunity process, once you have taken vaccination for any particular disease your body produces new antibodies with memory cells specific for that pathogen. In biology, immunity is the capability of multicellular organisms to resist harmful microorganisms.
Immunity is the state of being immune from or insusceptible to a disease or the like.
Naturally acquired active immunity occurs when the person is exposed to a live pathogen, develops the disease, and artificially acquired active immunity can be induced by a vaccine, a substance. Color(purple)(natural active immunity) occurs when an individual contracts an illness naturally. Typically, a bacteria or virus enters an organism and starts causing damage through its reproductive activities. Active immunity is the result of a patient's immune system being exposed directly to a weakened or dead form of the pathogen and reacting by developing immunity to the agent.