Question

The Diphtheria, Pertussis, Tetanus (DPT) vaccine consists of

(a) live attenuated strains of diphtheria, pertussis, Tetanus

(b) toxoid of diphtheria, tetanus and heat-killed whole cells of Pertussis

(c) whole cell lysate of diphtheria, pertussis, tetanus

(d) heat-killed strains of diphtheria, pertussis, tetanus

Answer 1

Answer is : (b) toxoid of diphtheria, tetanus and heat-killed whole cells of Pertussis

DPT is a class of combination vaccines against three infectious diseases in humans, i.e. diphtheria, pertussis (whooping cough) and tetanus. The vaccine components include diphtheria and tetanus toxoids and killed whole cells of the bacterium that causes pertussis.