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 ?
Show answer
Answer: B. Statement 1 is wrong: Covishield (the Oxford-AstraZeneca vaccine made by Serum Institute) uses a chimpanzee adenovirus vector, not mRNA. Statement 2 is correct: Sputnik V uses two human adenovirus vectors. Statement 3 is correct: COVAXIN by Bharat Biotech uses inactivated (killed) whole virus. So 2 and 3.
Watch for: Students confuse Covishield with Pfizer or Moderna, the well-known mRNA vaccines.
Why the other options are wrong
- A. Wrong because Covishield is not an mRNA vaccine.
- C. Wrong because Covishield is a viral vector vaccine.
- D. Wrong because statement 1 is incorrect.
Source to check: Ministry of Health and Family Welfare COVID-19 vaccine FAQs (mohfw.gov.in); Bharat Biotech and Serum Institute product information
Answer from the official UPSC key. Written and fact-checked by AI against the official key. Spotted a mistake? Report it.