Question

active and passive immunity

Answer 1

immunity developed after disease or vaccination is called active immunity
for eg chiken pox,small pox
immunity developed due to injected readymade antibodies is called passice immunity

Answer 2

Active Immunity:

1. It is developed when the person’s own cells produce antibodies in response to infection or vaccine

2. It provides relief only after long period.

3. It has no side effects.

4. It is long lasting

Passive Immunity:

1. It is developed when antibodies produced in other organisms are injected into a person to counter act antigen such as snake venom.

2. It provides immediate relief.

3. It may cause reaction.

4. It is not long lasting