How children\'s immunization programs by Health providers in selected health centers associated with the ministry of Health and medical education in Tehran

Extract: human history show a continuing struggle for disease and infection disease in the first place. Medicine was not separated from immunization at any time and it is interesting to note that development of vaccine production and preparation methods beyond the basic and scientific understanding of pathogenic factors (Velayati et al 1981, page 27). The first healthy action for infection disease prevention is immunization that discovered by Edward Jener 1796. Then Louie Pastor with pathogenesis property reduction of microbes without damage to their ability to generate immune responses could get successes about immunization discovery special in viral diseases