ABSTRACT
Vaccination is one of the most important index for disease prevention program. Therefore this study conducted to assess the coverage of vaccination program to identify the delay or disruption of program in 2005 year. Health profiles [vaccination card] of children between 15-26 months assessed. We did interview with their mothers as well. This survey was conducted in rural and urban area in southern Khorasan province in Iran during 2005. The coverage of children and mother's vaccination were 96.7% and 71.1% respectively. The study findings showed that inadequate information about the arrangement of dosage, distance to health centre and feeling the necessity of vaccination were most factors for incomplete converge of vaccination program. Based on study findings educational program to increase mothers awareness is recommended