With reference to recent developments regarding 'Recombinant Vector Vaccines', consider the following…
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 only
2 only
Both 1 and 2
Neither 1 nor 2
Solution
Recombinant vector vaccines are made using genetic engineering techniques (Statement 1 correct). They use weakened bacteria or viruses as 'vectors' to deliver antigen genes into the body (Statement 2 correct).