Q. Consider the following statements regarding vaccination:
1.It is the process of administering a vaccine to develop adaptive immunity to a pathogen.
2.It is used to introduce antigens in the body.
3.The vaccine against the rabies is a type of live-attenuated vaccination.
Which of the statements given above are correct?

[A] 1 and 2 only

[B] 2 and 3 only

[C] 1 and 3 only

[D] 1, 2 and 3

Answer: A
Notes:

Explanation: Statements 1 and 2 are correct

Statement 1 is correct: Vaccination is the process of administering a vaccine to stimulate an individual’s immune system to develop adaptive immunity to a pathogen.

Statement 2 is correct: The vaccine introduces antigens into the body, which the immune system detects as foreign.

Statement 3 is incorrect: The rabies vaccine used in humans is a type of inactivated vaccine, not a live-attenuated vaccine. Inactivated vaccines contain a killed version of the virus, while live-attenuated vaccines use a weakened form of the virus.

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