This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Social & Preventive Medicine
All of the following are components of Epidemiological triad except ? 
Select and explain. 
A. Environment, B. Agent, C. Host, D. Manpower
D: Manpower
Answer: D: Manpower 
Explanation: Ans. is 'd' i.e., Manpower Epidemiological triad The occurrence and manifestations of any disease, whether communicable or noncommunicable, are determined by the interaction of following three factors. The agent The host The environment