Sputum examination for AFB is a type of
Sputum AFB is a diagnostic test intended for the early diagnosis and adequate treatment. Secondary prevention: an action which halts the progress of the disease at its incipient stage and prevents complications. The interventions include early diagnosis and treatment. Ref: Park's Textbook of Preventive and Social Medicine; 24th edition - Page no. 46
Primary prevention
Secondary prevention
Teiary prevention
Primordial prevention
Concept of health and disease