National Immunization Survey (NIS)

The National Immunization Survey (NIS) is sponsored by the National Center for Immunizations and Respiratory Diseases (NCIRD) and conducted jointly by NCIRD and the National Center for Health Statistics (NCHS), Centers for Disease Control and Prevention. The NIS is a list-assisted random-digit-dialing telephone survey followed by a mailed survey to children’s immunization providers that began data collection in April 1994 to monitor childhood immunization coverage.

See more information at http://www.cdc.gov/nis/