Immunization registry
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An immunization registry or immunization information system (IIS) is an information system that collects vaccination data about all persons within a geographic area. It consolidates the immunization records from multiple sources for each person living in its jurisdiction.
Introduction
Immunization information systems (IIS) are an important tool to increase and sustain high
A "fully operational" IIS includes 95% enrollment or higher of all
In a population-based IIS, children are entered into the IIS at birth, often through a linkage with electronic
The concept of IIS is not new. Many individual practices and health plans administer immunizations to their patients. Records of these immunizations often are based on computerized information systems designed for other purposes, such as