This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Concept of health and disease, Subject name: Social & Preventive Medicine
Chemoprophylaxis is ________ prevention 
Select and explain. 
A. Primordial, B. Primary, C. Secondary, D. Teiary
B: Primary
Answer: B: Primary 
Explanation: Primary prevention aims at preventing the progression of risk factors to disease Ref : Park&;s Textbook of Preventive and Social Medicine; 23rd edition - Pgno. 41