What Are the Core Functions of Epidemiology in Public Health?
Epidemiology involves the systematic study of the distribution and determinants of health-related states or events in specified populations. The core functions include:
Surveillance - Monitoring the frequency and pattern of health events in populations. Field Investigation - Conducting investigations to identify the sources and modes of transmission. Analytic Studies - Using study designs to determine causal relationships. Evaluation - Assessing the effectiveness of public health programs. Linkages - Collaborating with other health professionals and agencies. Policy Development - Informing and guiding public health policy and practice.
