information obtained on birth certificates collected through the National Vital Statistics System. NCHS's State and Local Area Integrated Telephone Survey (SLAITS) produces state-level data on such topics as the health of children with special needs, to meet the data needs of its colleagues in 's Maternal and Child Health Bureau and elsewhere. NCHS's National Immunization Survey is conducted in collaboration with other offices in Atlanta. NCHS's National Death Index creates a longitudinal component to other routine data systems. NCHS's Questionnaire Design Research Laboratory develops and test survey and data collection instruments for use by NCHS and other federal agencies and research organizations. See also National Institutes of Health References External links Centers for Disease Control and Prevention Federal Statistical System of the United States Health surveys