BiologyJenner prepared the vaccine for small pox by using :

Jenner prepared the vaccine for small pox by using :

  1. A

    Attenuated small poxvirus

  2. B

    Attenuated cow pox virus

  3. C

    Large dose of smallpox virus

  4. D

    Small dose of smallpox virus

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    Solution:

    The Correct option is B i.e., Attenuated cow pox virus

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