Recombinant DNA technology prepared vaccine
is called
(a) first generation vaccine
(b) second generation vaccine
(c) third generation vaccine
(d) synthesized vaccine
Answers
Answered by
2
Recombinant DNA technology prepared vaccine is called second generation vaccine.
- The second generation vaccines consist of subunits rather than the whole organism. These subunits contain the pathogen created toxins.
- In order to reduce the reversion of pathogen to a dangerous form, the second generation vaccines were created.
- Salk’s polio vaccine and Hepatitis B virus vaccine are examples of second generation vaccine.
Answered by
0
Recombinant DNA technology prepared vaccine is called third generation vaccine.
Explanation:
- The whole organisms vaccines are the first generation vaccines.
- They are formed in weakened live or in the killed form.
- Small pox vaccines and polio vaccines are examples of live vaccines.
- Second generation vaccines contains only a small potion of the pathogen which is termed as sun unit.
- Here, the whole organism will not be given.
- In the third generation vaccine, the vaccines are generated from the recombinant methods.
- Here a pathogen is formed by the method of encoding DNA and then there will be an insertion of antigens in a vector.
- In response of acting against the vector, an immune response will be generated by the immune system in the host.
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