Secondary prevention means–

Correct option is D

Sol. Secondary prevention focuses on early diagnosis and prompt treatment to stop the progression of disease. It includes screening and detecting diseases in early stages, which is different from the given options.
Explanation of each option:
· (a) Health Promotion – Part of primordial or primary prevention, aiming to keep people healthy before disease starts.
· (b) Specific Protection – Also primary prevention, includes vaccinations and protective measures to prevent disease occurrence.
· (c) Rehabilitation – Aims at tertiary prevention, restoring function and quality of life after disease or disability.
· (d) None of them – Correct answer. Secondary prevention involves early detection (like cancer screening), not any of the options listed.