Section 12
Classifying Immunities
Book
Version 6
By Boundless
By Boundless
Boundless Microbiology
Microbiology
by Boundless
3 concepts
![Thumbnail](../../../../../../figures.boundless-cdn.com/13247/square/typhoid-inoculation2.jpeg)
Natural Active Immunity
Naturally acquired active immunity occurs when a person is exposed to a live pathogen, develops the disease, and then develops immunity.
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Natural Passive Immunity
Naturally acquired passive immunity occurs during pregnancy, when antibodies are passed from the maternal blood into the fetal bloodstream.
![Thumbnail](../../../../../../figures.boundless-cdn.com/23901/square/immunity.jpg)
Artificial Immunity
Artificial immunity is a mean by which the body is given immunity to a disease by intentional exposure to small quantities of it.