What is the difference between natural and artificial immunity?
Acquired immunity may be either natural or artificial in nature. Both natural and artificial immunity have passive and active components. Active immunity results from an infection or an immunization, while passive immunity comes from naturally or artificially gaining antibodies.
What does natural immunity mean?
Medical Definition of Natural immunity Natural immunity: Immunity that is naturally existing, Natural immunity does not require prior sensitization to an antigen.
What are the two types of natural immunity?
There are two main types of immunity: innate, also called natural or inherited, and adaptive.
What is artificial acquired immunity?
Active artificially acquired immunity refers to any immunization with an antigen. By giving a safe form of the antigen artificially, the body will produce its own antibodies and, more importantly, develop circulating, long-lived B-memory cells with high affinity B-cell receptors on their surface.