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The Wyoming Immunization Registry (WyIR) is a secure, confidential, internet-based immunization database containing the electronic vaccination records of Wyoming residents.

The Wisconsin Immunization Registry (WIR) is a computerized internet database application that was developed to record and track immunization dates of Wisconsin’s children and adults.

WVSIIS allows enrolled users to conveniently search for patients in the registry and view their vaccination records. In addition, users can add and edit patient and vaccination records, as well as maintain facility, physician, and lot number data.

The Washington State Immunization Information System is a statewide, lifetime immunization registry that keeps track of immunization records for people of all ages.

The Virginia Immunization Information System (VIIS) is Virginia’s statewide immunization registry that contains immunization data of persons of all ages.

The Vermont Immunization Registry is a confidential, population-based, computerized database that contains a record of immunization doses administered by participating providers to persons residing within a given geopolitical area.

The Utah Statewide Immunization Information System (USIIS) is a free, confidential, web-based information system that contains immunization histories for Utah residents of all ages.

ImmTrac, the Texas Immunization Registry, is a secure and confidential registry available to all Texans. ImmTrac safely consolidates and stores immunization information from multiple sources electronically in one centralized system.

TennIIS is a statewide Immunization Information System (IIS) developed by the Department of Health to be a single source of immunization records for Tennessee residents of all ages.