With reference to recent developments regarding Recombinant Vector Vaccines, consider the following statements:
- Genetic engineering is applied in the development of these vaccines.
- Bacteria and viruses are used as vectors.
Which of the statements given above is/are correct?
1 only
2 only
Both 1 and 2
Neither 1 nor 2
Answer is Wrong!
Answer is Right!
This question was previously asked in
UPSC IAS – 2021
– Statement 2 is correct. Both viruses (e.g., adenoviruses, vaccinia virus) and bacteria (e.g., attenuated Salmonella, Listeria) are used as vectors in the development of recombinant vector vaccines. The vector delivers the pathogen’s genetic material into host cells to trigger an immune response.