Vaccine Research | MCQs

    Q1: CoronaVac is an inactivated virus COVID-19 Vaccine was developed by ____?

    کورونا ویک ایک غیر فعال وائرس ہے کووڈ-19 ویکسین ____ نے تیار کی تھی؟
    • A. China
    • B. Russia
    • C. None of these
    • D. America
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