A) first generation vaccine
B) interferon
C) second generation vaccine
D) third generation vaccine
Correct Answer: C
Solution :
Vaccines produced by conventional technique are called first generation vaccine which produce many side effects. Second generation vaccines are better and safer which consists of a few antigens present on the surface of the infecting agents rather than whole inactivated organisms. Vaccine for Hepatitis-B virus is a successful second generation vaccine. Third generation vaccines are called synthesized vaccines due to their high purity and potency.
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