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प्रश्न
Mention the contributions of
Edward Jenner
उत्तर
Edward Jenner was the first to develop the technique of vaccination in 1798.
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क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
Mention the contributions of
Edward Jenner
Edward Jenner was the first to develop the technique of vaccination in 1798.