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प्रश्न
Differentiate between: Active immunity and Passive immunity.
अंतर स्पष्ट करें
उत्तर
| Active Immunity | Passive Immunity |
| When a person’s own cells produce antibodies in response to infection or vaccination. | When the antibodies produced in other organisms are injected into a person to counteract antigens. |
| It is harmless. | The foreign antibodies may be killed by the antibodies produced by the body. |
| It is long lasting. | It has a limited life span. |
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