Vaccines are prepared from:

Vitamins

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Blood

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Attenuated bacteria or inactivated viruses

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Plasma

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Solution

The correct option is D Attenuated bacteria or inactivated viruses
A vaccine contains weakened or inactivated microorganisms such as bacteria or viruses. These inactive organisms trigger an immune response byproducing antibodies within the body. These antibodies protect the body from further infection. Thus, the correct answer is option (C),

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Similar questions

Match each disease with its correct type of vaccine:

(a) tuberculosis (i) harmless virus

(b) Whooping cough (ii) inactivated toxin

(d) polio (iv) harmless bacteria

List-I	List-II
A. Conjugate vaccine	I. Human papilloma virus
B. Toxoid vaccine	II. Haemophilus influenzae
C. Attenuated whole agent vaccine	III. Bubonic plague
D. Inactivated whole agent vaccine	IV. Yellow fever
	V. Diphtheria

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