General Knowledge Quiz Contest (149) - Participate By Giving Answer

in #contest • 8 years ago

Hello friends,

General Knowledge Quiz Contest - 149.

Test your General Knowledge, participate by giving answer in comment.

Question:

In what decade was the oral vaccine against polio developed?

Options:

  • A
    1950s

  • B
    1960s

  • C
    1940s

  • D
    1970s

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#quiz #generalknowledge #gk #knowledge
8 years ago in #contest by
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     8 years ago 

    Correct Answer: B - 1960s

    The polio vaccine known as oral poliovirus vaccine (OPV), was developed by American physician and microbiologist Albert Sabin containing live attenuated (weakened) virus in the 1960s. Jonas Salk developed a "killed-virus" vaccine against polio in the 1950s which was given by injection.

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     8 years ago 

    You got a 27.59% upvote from @emperorofnaps courtesy of @annadoll!

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       8 years ago 

      The answer is A-1950s

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         8 years ago 

        The force is with you! You got a 19.23% upvote from @steemyoda courtesy of @annadoll!

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