Health information Assignment Question: Health information systems main components and health information systems in public health sector 4 1. Epidemiologic disease and risk factor surveillance 2. Medical and public health outcomes assessment 3. Facility and clinic administration (billing, inventory, clinical records, utilization review, cost-effectiveness and productivity analysis 4. Utilization analysis and demand estimation 5. Programme planning and evaluation 6. Quality assurance and performance measurement 7. Public health policy analysis 8. Clinical research 9. Health education and health information dissemination Information technology has now advanced to the point that one year of the Medical programmer’s entire claims history thus about 200 million observations can be analysed on a high-end personal computer workstation. Advances in IT are dramatically influencing public health organizations and their historical roles in collecting and disseminating data. Vital statistics and disease registries – critical functions of public health departments at both the local and national levels. For HIS to be effective, public health administrators must assess available data sources, design blueprints for extracting information and knowledge and evaluate the benefits derived from these systems.
