DPT vaccine protects against ALL – EXCEPT:

Correct option is B

Ans. (b) Polio
Sol. The DPT vaccine provides protection against Diphtheria, Pertussis (whooping cough), and Tetanus, but not against Polio. Polio is covered under a different vaccine — the OPV (Oral Polio Vaccine) or IPV.
Explanation of each option:
· (a) Diphtheria – Covered under DPT.
· (b) Polio – Correct. Not covered by DPT; requires OPV/IPV.
· (c) Tetanus – Covered by DPT.
· (d) Pertussis – Covered by DPT.