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NEET Biology Human Health And Disease / मानव स्वास्थ्य और रोग Question Bank Self Evaluation Test - Human Health and Disease

  • question_answer
    E. Jenner prepared the vaccine for smallpox virus using:

    A) Attenuated cowpox virus

    B) Attenuated smallpox virus

    C) Large dose of smallpox virus

    D) Small dose of smallpox virus

    Correct Answer: A

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