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UPSC PYQPrelims 2022

Civil Services Examination · 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
Show answer & explanation

Answer: (B) 2 and 3 only

Explanation

Covishield is a viral-vector (chimpanzee adenovirus) vaccine, not mRNA. Sputnik V uses adenoviral vectors, and Covaxin is an inactivated whole-virion vaccine.