Question

is the study of how health events affect communities--where, when, why, and how health events occur in the context of a well-defined population.

Answer 1

Epidemiology is the study of how health events affect communities-where, when, why and how health events occur in the context of well-defined population.

Step-by-step explanation:

• The 'application' of this study is for the prevention of disease and promotion of health.

• It is an applied science of systematic collection, interpretation and analysis of data.

• Originally, 'epidemiology' was concerned with 'epidemics and communicable diseases' but recently it is concerned with not just diseases but also all health related events.