UPSC Previous Year Question | Prelims GS | 2021

With reference to recent developments regarding 'Recombinant Vector Vaccines', consider the following statements: 1. Genetic engineering is applied in the development of these vaccines. 2. Bacteria and viruses are used as vectors. Which of the statements given above is/are correct?

  1. 1 only
  2. 2 only
  3. Both 1 and 2
  4. Neither 1 nor 2

Answer

Correct Answer

Both 1 and 2

Explanation

Recombinant vector vaccines use genetic engineering to insert genes for a pathogen's antigen into a harmless vector, which can be a virus (e.g., an adenovirus) or a bacterium. Both statements are correct.

Topics: biotechnology, recombinant vector vaccines, science & technology, vaccines