Immunity :All those physical
mechanisms that endow the animal with the capacity to recognize material as foreign to itself
& to neutralize, eliminate or metabolize them.
Difference B/W Active & Passive Immunity :
Difference B/W Active & Passive Immunity :
Traits
|
Active
Immunity
|
Passive
Immunity
|
Define
|
It is that
type of acquired immunity ,where resistance is induced after contact with
foreign antigens .Ex microorganisms
|
It is that
type of acquired immunity ,where the preformed antibody is introduced into a host to
produce specific immunity
|
Active
participation by host
|
No
|
No
|
Onset of
action
|
Immunity
starts to develop after a considerable latent period
|
Start
immediately
|
Duration of
action
|
Long –Lasting
|
Short –lasting
|
Immunological
memory
|
Present
|
Not Present
|
Secondary
immune response
|
Occurs
|
Not Occurs
|
Risk of
hypersensitivity reaction
|
No risk of
type –I & Type –III hypersensitivity
|
There is
risk of type I & Type III hypersensitivity
|
Comments
Post a Comment
Thank you