Public health is a branch of health sciences whose purpose is to protect, promote and rehabilitate the health of the community.
Among the most important roles of experts in this field are the following:
1- Educational role (such as educating health care professionals and health centers, pre-marriage counseling, mothers training)
2- Research role (such as presenting research projects in the field of HSR, training health interviewers, collaborating on conducting research interviews and compiling necessary data).
3- Caring role (such as child health monitoring, maternal and maternal care, ...)
4. Executive role (such as participating in school health programs, providing family planning services to covered households, monitoring the completion of covered household cases)