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प्रश्न
Define the following: Vaccine
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उत्तर
A vaccine is a biological preparation of a weakened or killed pathogen (disease causing microbes) which stimulates the formation of antibodies and develops immunity against a particular disease.
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संबंधित प्रश्न
Put a tick mark (✓) against the correct alternative in the following statement:
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Multiple choice questions. Tick (✓) the correct choice:
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Multiple choice questions. Tick (✓) the correct choice:
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______ disease is spread from one person to another.
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