This chapter lays the groundwork for understanding the principles, methods,
and applications of epidemiology. Beginning with an introduction to the field, it delves
into the intricacies of health and disease, exploring various epidemiological research
fields and methodologies. The chapter elucidates the measurement of disease
occurrence and highlights the significance, successes, and real-world applications of
epidemiology.
Keywords: Epidemiology, Health, Disease, Research Methods, Disease Occurrence, Applications.
