Why Is DPT Immunization A Critical Step in Childhood Vaccination Programs? Diphtheria, Pertussis (whooping cough), and Tetanus pose significant health threats, especially to children who are most vulnerable to these serious infectious diseases. The DPT vaccine, a cornerstone of childhood immunization programs, serves as a primary defense, safeguarding young lives from these potentially fatal illnesses. This article explores the importance of immunization, detailing...