Social & Preventive Medicine Which one of the following doses in Loeffler units of Diphtheria Toxoid is incorporated in DPT vaccine per dose? A 5 B 15 C 25 D 35 💡 Explanation Which one of the following doses in Loeffler units of Diphtheria Toxoid is incorporated in DPT vaccine per dose? ✓ Correct Answer: C. 25