1. Epidemiological monitoring of infectious diseases, and measuring their infection rates in the community.
2. Conducting surveys, as well as field research about diseases, pandemics and various contagious diseases.
3. Initiating contact tracing of patients of contagious diseases, and taking the preventive measures towards the contacts according to health systems.
4. Using International Classification of Diseases for coding diseases, infections, and deaths in the community.
5. Participating in research studies related to health problems through making interviews, collecting and analyzing data, and formulating results of studies.
6. Playing a role to the evaluation of the quality of health services with aview to promoting them.
7. Measuring health indicators related to diseases, deaths, and the functioning of health centres.
8. Participating in the implementation of programs associated with the control and eradication of diseases in cooperation with the health team.