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Usage of Vaccines

Which one of ...

Question

Which one of the following can not be used for preparation of vaccines against plague?

A

Avirulent live bacteria

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B

Synthetic capsular polysaccharide material

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C

Heat-killed suspension of virulent bacteria

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D

Formalin-inactivated suspensions of virulent bacteria

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Solution

The correct option is B Synthetic capsular polysaccharide material
Synthetic capsular polysaccharide vaccines are available for treatment of pneumonia and meningitis.
Vaccines against plague are prepared from the Formalin-inactivated suspensions of virulent bacteria, Avirulent live bacteria and Heat-killed suspension of virulent bacteria
So the correct option is 'Synthetic capsular polysaccharide material'.

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