Immunization is one of the most effective public health tools for preventing contagious diseases, reducing mortality and disease rates, ensuring improved health, and eliminating such diseases as smallpox. According to the World Health Organization (WHO), thanks to vaccination procedures, more than 100 million children are inoculated before the age of one year, and 2.5 million child deaths are avoided every year. 1,2 While efforts are being made to raise immunization levels in developing countries and in communities with low socioeconomic levels 3,4 , increasing vaccine refusal not only in developing but also in developed countries which have high immunization levels is causing worldwide concern. [5][6][7] The latest data from the United States of America (USA) have revealed an increase in alternative vaccination programs in addition to vaccination for preschool children. 3,4 Vaccine hesitancy is not a new occurrence, its negative impact on preventive services is gradually increasing. It has been shown that rejection or hesitation of vaccinations are associated with higher socioeconomic status,