A) Vaccines are preparations of antigenic proteins which generate permanent passive immunity against all pathogens.
B) First vaccine was formed by Edward Jenner.
C) DPT is a vaccine that provides immunity for three different diseases.
D) Tetanus is caused by a rod shaped bacterium.
Correct Answer: A
Solution :
A vaccine provides temporary or permanent active immunity against the specific pathogen for which it contains antigenic proteins. A vaccine cannot make us permanently immune for all diseases.
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