With the increase in chronic disease, epidemiologists realized the necessity of looking beyond single agents toward a multifactorial etiology. What does this imply?

1. Genetics and molecular structure of disease is paramount.
2. Single organisms that cause a disease such as cholera must be studied in more detail.
3. Focus should be on the factors or combinations and levels of factors contributing to disease.
4. The recent rise in infectious disease is the main focus.


ANS: 3

Nursing

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