Razi Journal of Medical Sciences

Today, the iive s of more than 3000000 children are protected by immun ization services in the from of EPI (expanded program of immunization).

This program helps ideal growth and development for mlliotis of children, but in spite of current EPI

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preventable diseases are still able to take the lives innocent children.

Cause specific mortality rates of children, due to preventable diseases, show that immunization services alone are not the end of problem, because the important factors, such as giving priority to EPI, regular monitoring of immunization programs, doing practicable studies in this connection and cross sectional evaluations for recognition of strength and weak points of the program, have an important role in continuation of immunization program and keeping the immunization coverage at a favorable ieve/.

With due attention to EPI goals of year of 2000 (such as increasing of vaccine coverag throughout word, neonatal tetanus elimination and polio eradication) and also health policy makers universal efforts in this connection, we decided to review the sitution of immunization coverage of 12 to 24 month old children who are resident in Iran University of Medical Sciences (IUMS) region.

There are 5 districts in IUMS region (west of Tehran, Karadj, Shahriar, Savojbo/agh & Robatkarim).

In this study we calculated the number of clusters of each district on the basis of its poulation and finally 47 clusters (each cluster includes 7 cases) were studied. 53.8% of cases were female and 46.2% were male.

Age distribution of this group of children was normal (normal distribution mean age= 17.7, mode=17). Following results were obtained in this study: