The role of adjuvant in a DPT vaccine is :-

A. Decrease hypersensitivity

B. Decrease absorption of vaccine

C. Increase antigenicity

D. Increase the shelf life of a vaccine

Correct Answer: Increase antigenicity

Description: Aluminum hydroxide / phosphate is used as Adjuvant/adsorbent in DPT vaccine ; Binds three components (D,P,T) together Increases immunogenicity / Antigenicity - Thiomersal is added to DPT vaccine as a preservative. - Magnesium chloride is added to OPV vaccine: Provides stability.

Category: Social & Preventive Medicine

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