D R N I L E S H N K A T E , P R O F E S S O R , P H Y S I O L O G Y ,/ D I F F E R E N C E S
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Difference Between
ACTIVE IMMUNITY and PASSIVE IMMUNITY B
ACTIVE IMMUNITY PASSIVE IMMUNITY B
1 Produced by body’s
own immune system
in response to
antigen.
Received passively by host,
no involvement of immune
system.
2 Negative phase in which
immunity is transiently
lowered.
No negative phase.
3 Latent period from 4
days to 4 weeks
No latent period.
4 Secondary response
is more enhanced.
No immunological
memory.
5 Active immunity is
long lasting.
Passive immunity is
short lasting.
6 More effective Less effective
7 Not applicable in
immunodeficient
individual