What is the primary focus of epidemiology?

The primary focus of epidemiology is the study of disease distribution and determinants. Epidemiologists investigate how diseases spread within populations and the various factors that influence their occurrence. This field combines aspects of public health, biology, and statistics to identify at-risk populations, track the progression of diseases, and establish methods to prevent and control health issues. By examining patterns of health and illness, epidemiologists can contribute to developing effective interventions, guiding public health policies, and improving health outcomes within communities.

This focus is essential for understanding the complex interplay between various determinants, including biological, environmental, and social factors, that contribute to health disparities and disease epidemiology.