Civil Services Prep

Prelims 2022 · Science and Technology · Question 39

In the context of vaccines manufactured to prevent COVID-19 pandemic, consider the following statements: 1. The Serum Institute of India produced COVID-19 vaccine named Covishield using mRNA platform. 2. Sputnik V vaccine is manufactured using vector based platform. 3. COVAXIN is an inactivated pathogen based vaccine. Which of the statements given above are correct?

  1. 1 and 2 only
  2. 2 and 3 only
  3. 1 and 3 only
  4. 1, 2 and 3

Answer

2 and 3 only

  1. Covishield was developed on a viral vector platform (chimpanzee adenovirus), not on mRNA platform. Verdict: Incorrect.

  2. Sputnik V is a vector-based vaccine, using two human adenoviruses (Ad26 and Ad5). Verdict: Correct.

  3. COVAXIN is an inactivated whole virion vaccine, i.e. based on an inactivated pathogen platform. Verdict: Correct.

Therefore, statements 2 and 3 only are correct.

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