Social & Preventive Medicine The following statements are true about DPT vaccine except- A Aluminium salt has an adjuvant effect B Whole killed bacteria of Bordetella pertusis has an adjuvant effect C Presence of acellular pertusis component increases its immunogenicity D Presence of H. influenzae type B component increases its immunogenecity increase its immunolgenecity 💡 Explanation The following statements are true about DPT vaccine except- ✓ Correct Answer: C. Presence of acellular pertusis component increases its immunogenicity