Active immunity
1. Direct contact with pathogen or its antigen is required
2. A time period is required for immunity development
4. It lasts for a long period
5. Immunologic memory may result in life long immunity
6. Not much side effects
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| Active and Passive Immunity |
1. No direct contact with antigen is required. Antibodies are directly injected from outside.
2. Immunity develops immediately.
3. Antibodies are injected into the body are obtained from outside.
4. It lasts for a few days.
5. Only for few days
6. At times body reacts to the introduced antisera. The condition is called serum sickness.
Practice Questions:
1. Immunity obtained through colostrum is
a) Natural active Immunity
b) Natural passive Immunity
c) Artificial passive immunity
d) Artificial active
Answer: b) Natural passive Immunity
Tags:
active immunity
Antibodies
basic immunology notes
difference between
Immunologic memory
immunology
immunology notes
passive immunity
Passive vs Active Immunity