What do we call the study related to public health interventions?

The study related to public health interventions is referred to as epidemiology. This field focuses on understanding how diseases affect the health and illness of populations, examining patterns, causes, and effects of health and disease conditions. Epidemiologists analyze data to identify risk factors for disease and to evaluate the effectiveness of interventions aimed at controlling or preventing health problems. Their work is critical for developing strategies that can improve public health and inform policy decisions.

Other terms provided in the options refer to specific concepts in public health but do not encompass the study of public health interventions directly. Endemic refers to the constant presence of a disease within a geographic area or population, incidence pertains to the occurrence of new cases of a disease in a population over a specified period, and nosocomial specifically relates to infections acquired in a hospital setting. While these concepts are important in the broader context of public health, they do not capture the comprehensive nature of epidemiology, which is foundational for understanding and addressing public health challenges.