True for epidemiological triad: March 2012: (A) Time, place, person, (B) Agent, host, environment, (C) Disease, prevention, treatment, (D) Agent, man, disease
Answer is B. Ans: B i.e. Agent, host, environment Some impoant terms Epidemiological triad is a broader concept of disease causation that include the basic factors of agent, host and environment Germ theory of disease is generally referred to as one-to-one relationship between causal agent and disease. The disease model accordingly is: Disease agent Man Disease.