2022 · Science & TechnologyPrevious Year Question
Q39.
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?
A. 1 and 2 only
B. 2 and 3 only
C. 1 and 3 only
D. 1, 2 and 3
Answer

B

Explanation

Statement 1 is incorrect: Covishield is NOT an mRNA-based vaccine. It is a recombinant, replication-deficient chimpanzee adenovirus vector encoding the SARS-CoV-2 Spike glycoprotein — it is a vector-based vaccine. Statement 2 is correct: Sputnik V is an adenovirus viral vector vaccine developed by the Gamaleya Research Institute in Russia. Statement 3 is correct: Covaxin is an indigenous, inactivated pathogen type vaccine developed by Bharat Biotech using Whole-Virion Inactivated Vero Cell derived platform technology.