Types of Acquired Immunity
Naturally Acquired Immunity: Obtained in the course of daily life.
A. Acquired Active Immunity:
Antigens or pathogens enter body naturally.
Body generates an immune response to antigens.
Immunity may be lifelong (chickenpox or mumps) or temporary (influenza or intestinal infections).
B.Acquired Passive Immunity:
Antibodies pass from mother to fetus via placenta or breast feeding (colostrum).
No immune response to antigens.
Immunity is usually short-lived (weeks to months).
Protection until child’s immune system develops