Affiliation:
1. Lovely Professional University, India
Abstract
Epidemiology involves examining the frequency of disease occurrences within diverse population groups and investigating the various factors contributing to their prevalence. The information gathered through epidemiological studies is instrumental in formulating strategies to prevent illnesses and in managing affected individuals. This field employs specific techniques for data collection and interpretation, utilizing specialized jargon for technical terms. The objective of this book chapter is to offer a comprehensive overview of the epidemiological approach, covering its terminology, types, objectives, principles, and methods.