There are several methods used to monitor disease progression:
Surveillance systems: These are ongoing systematic collection, analysis, and interpretation of health data. Examples include the CDC in the United States and the WHO globally. Clinical Reporting: Health care providers report cases of specific diseases to public health authorities. Laboratory Testing: Diagnostic tests confirm cases and track pathogens. Epidemiologic Studies: Cohort, case-control, and cross-sectional studies help understand disease dynamics.
