The following statements are true about DPT vaccine except

A. Aluminium salt has a adjuvant effect

B. Whole killed bacteria of Bordetella peussis has an adjuvant effect

C. Presence of acellullar peussis component increases its immunogenecity

D. Presence of Hemophilus influenza type B component increases its immunogenicity

Correct Answer: Presence of Hemophilus influenza type B component increases its immunogenicity

Description: Diphtheria toxoid is given as a trivalent preparation containing tetanus toxoid and peussis vaccine as the DTP or DPT. Not only it is convenient, but B.peusis also acts as an adjuvant for the toxoids, producing a better antibody response. Reference: Textbook of Microbiology; Anathanarayan and paniker's; 10th edition; Page no: 267

Category: Microbiology

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