Active immunity | Passive immunity |
1. Produced by one's own body. | 1. Received from outside. |
2. It is developed by an individual's own cells in response to an infection or a vaccine. | 2. It is developed when ready-made antibodies are inoculated from outside. |
3. It provides effective and long lasting protection. | 3. The protection is less effective and short lived. |
4. It has no side effects. | 4. It may cause reactions. |
5. Time is required for the effectiveness of the immunity. | 5. Immediately effective. |