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Read the following statements :- (A)...

Read the following statements :-
(A) Passive immunity serves no purpose in immunodeficient host.
(B) Active immunity is used for the treatment of infections.
(C) Active immunity develops after a lag period.
(D) Passive immunity is conferred by introduction of antigen in the body.
How many of the above statements are false ?

A

3

B

4

C

2

D

1

Text Solution

Verified by Experts

The correct Answer is:
A
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