Q: Which of the following statements is/are correct about vaccination that provides protection against an infectious disease? 1. It blocks the entry of the infectious agent into body. 2. It produces antibodies against infection. 3. It kills the infectious agent when it enters in the body. Select the correct answer using the code given below.
(a)1 only
(b)2 only
(c)2 and 3 only
(d)1, 2 and 3
Correct Answer: (a)
Detailed explanation coming soon.