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.
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Introduction
Immunization information systems (IIS) are an important tool to increase and sustain high
vaccination coverage by consolidating vaccination records of children and adults from multiple providers, forecasting next doses past due, due, and next due to support generating reminder and recall vaccination notices for each individual, and providing official vaccination forms and vaccination coverage assessments. One of the national health
objectives is to increase to 95% the proportion of children aged <6 years who participate in fully operational population-based IIS.
A "fully operational" IIS includes 95% enrollment or higher of all
catchment area children less than 6 years of age with 2 or more immunization encounters administered according to
ACIP recommendations.
In a population-based IIS, children are entered into the IIS at birth, often through a linkage with electronic
birth records
A birth certificate is a vital record that documents the birth of a person. The term "birth certificate" can refer to either the original document certifying the circumstances of the birth or to a certified copy of or representation of the ensuin ...
. An IIS record also can be initiated by a
health care provider at the time of a child's first immunization. If an IIS includes all children in a given
geographical area and all providers are reporting immunization information, it can provide a single data source for all community immunization partners. Such a population-based IIS can make it easier to carry out the demonstrably effective immunization strategies (e.g., reminder/recall,
AFIX, and
WIC
The Special Supplemental Nutrition Program for Women, Infants, and Children (WIC) is an American federal assistance program of the Food and Nutrition Service (FNS) of the United States Department of Agriculture (USDA) for healthcare and nutrition ...
linkages) and thereby decrease the resources needed to achieve and maintain high levels of coverage. IIS can also be used to enhance
adult immunization
An adult is a human or other animal that has reached full growth. In human context, the term ''adult'' has meanings associated with social and legal concepts. In contrast to a "minor", a legal adult is a person who has attained the age of majo ...
services and coverage. Pharmacy immunizations are reported to state IIS, allowing for a complete lifetime immunization history.
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
billing. There is also a growing movement toward the development of totally computerized patient
medical records. Although an IIS includes all immunizations administered by health care providers participating in it, only population-based IIS are capable of providing information on all children and all adult doses of
vaccines administered by all providers.
See also
*
Vaccination schedule
References
{{Reflist
CDC entryAmerican Immunization Registry Association (AIRA)
Electronic health record software
Vaccination