Immunity System

1. On
Immunity System

2. 
 Immunity is the capability of the body to
resist infection. This is resistance to disease
possessed to as part of an individuals
constitutional make up. It results in
difference between species, races and
individuals.
Definition

3. 
 Species: Typhoid fever is a serious disease in humans
but mice are not affected.
 Race: Negroes have a high resistance to yellow
fever but white men are very susceptible.
 Individuals: It is known that some people are more
resistant than others to colds and skin infections.

4. 
 Immunity are mainly two types
 Active immunity
 Passive immunity
Types Of Immunity

5. 
 This can be naturally acquired or
artificially stimulated. Active immunity
resulting from the development of
antibodies on response to the presence of an
antigen, as from vaccination as exposure to
an infectious disease.
Active Immunity

6. 
1.Naturally acquired immunity
Following Clinical infection
After subclinical Infection
2. Artificially stimulated active immunity
Vaccine – 2 types
Toxoids
Suspension of Micro-organism
Types Of Active
Immunity

7. 
 Like Active immunity this can be
naturally acquired. It can also be at
artificially produced.
Passive Immunity

8. 
 Naturally Acquired Passive Immunity
 Artificially Produced Passive Immunity
Types of Passive Immunity

9. 
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