National Immunization Survey (NIS)

Topic/focus: Healthcare Facilities and Services
Year(s): 1995 - present
Source: National Center for Health Statistics
Study and sample characteristics: Interview, medical records
Universe: Children between 19 and 35 months of age
Variables: Varies by year
Access: Publically available
Cost: Free
Key web links: National Immunization Survey (NIS)
Primary Institutional Contact: EDRC Coordinator (

Summary: The NIS contains data on child immunization coverage at the national, state, and urban area levels. Vaccination and dosage information is available for diphtheria/tetanus toxoids/pertussis, poliovirus, measles, Haemophilus influenzae type b, hepatitis B, and varicella zoster.