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With reference to recent developments regarding ‘Recombinant Vector Vaccine,’ consider the following statements

With reference to recent developments regarding ‘Recombinant Vector Vaccine,’ 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?

(a)

1 only

(b)

2 only

(c)

Both 1 and 2

(d)

Neither 1 nor 2

Answer:

(c)

Newspaper/CA

CA

Explanation

Recombinant vector vaccines are made through genetic engineering. The gene that creates the protein for a bacteria or virus is isolated and placed inside another cell’s genes. Hence, statement 1 is correct. Numerous viral vectors are available for vaccine development, such as vaccinia, modified vaccinia virus Ankara, adenovirus, adeno-associated virus, retrovirus/lentivirus, alphavirus, herpes virus, etc. Hence, statement 2 is correct. Therefore, option (c) is the correct answer.