['The purpose of this study was to compare vaccination coverage among children 19 to 35 months of age with and without special health care needs overall and among demographic subgroups.', "Data are from the National Survey of Children With Special Health Care Needs, a module of the State and Local Area Integrated Telephone Survey, which was sponsored by the Health Resources and Services Administration Maternal and Child Health Bureau and conducted in 2000-2002 by the Centers for Disease Control and Prevention National Center for Health Statistics. We used data from the National Immunization Survey and the National Survey of Children With Special Health Care Needs to examine immunization coverage rates for individual vaccines and an array of combined series vaccinations. The relationship between special needs and immunization status was analyzed by age, gender, and race or ethnicity of the child; the child's health insurance type; the mother's educational attainment and presence in the household; and household income relative to the federal poverty level.", 'Overall, there were no significant differences between children with and without special needs for any of the individual antigens or combined immunization series. Some significant differences by special needs status were found within certain demographic subgroups.'] Does vaccination coverage by special health care need status in young children?