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प्रश्न
Who discovered ‘vaccine’ for the first time? Name two diseases that can be prevented by using vaccines
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उत्तर
Edward Jenner (1796) discovered the vaccine for the first time. Diseases that can be prevented by using vaccines are smallpox, tetanus, polio, measles, hepatitis-B, tuberculosis, etc.
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संबंधित प्रश्न
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