What is the focus of the Case Surveillance System in public health?

The Case Surveillance System in public health primarily focuses on monitoring and reporting individual instances of health events, such as specific cases of diseases or infections. This system collects data on cases as they occur, which allows health authorities to identify outbreaks, track the incidence and prevalence of diseases, and implement timely interventions.

By concentrating on single instances of health events, the Case Surveillance System provides crucial information for understanding the spread of diseases at a more granular level, facilitating immediate responses to prevent further transmission. This systematic collection and analysis of case data is vital for public health decision-making, resource allocation, and the overall management of health threats within communities.

While other approaches mentioned in the choices, such as economic impacts, longitudinal studies, or statistical models, certainly contribute to the broader field of public health, they do not specifically align with the primary function of the Case Surveillance System, which is centered around the individual cases and immediate health events.