43+ Natural Active Immunity Ppt US. Vaccines contain a small amount of dead or weakened pathogen particles. 17 natural artificial active immunity provided by antibodies made in the immune system as a result of infection.
Artificial passive immunity is the resistance passively transferred to a recipient by administration of antibodies.
Active immunity can be stimulated by vaccines. Active immunity can be stimulated by vaccines. B cells develop from stem cells in the bone marrow of adults (liver of fetuses). Ø natural infection ø vaccination with either live or killed vaccines.