DPT (Diphtheria-Pertussis-Tetanus) vaccine schedule and dosage: administered as a primary series of three doses at 6, 10, and 14 weeks of age, each dose 0.5 mL intramuscularly, followed by booster doses at 16–24 months and 5–6 years of age (as per India’s Universal Immunization Programme schedule) — the whole-cell or acellular pertussis-containing combination vaccine.
