UPSC Previous Year Question | Prelims GS | 2022

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

Correct Answer

2 and 3 only

Explanation

Statement 1 is incorrect — Covishield uses a viral vector (adenovirus) platform, not mRNA. Statements 2 and 3 are correct — Sputnik V is vector-based, and Covaxin is an inactivated whole-virion vaccine.

Topics: covid 19 vaccines, science and technology, vaccines, viral vector and inactivated vaccines