Progress in immunization information systems --- United States, 2009

An immunization information system (IIS) is a confidential, computerized, population-based system that collects and consolidates vaccination data from vaccine providers and provides tools for designing and sustaining effective immunization strategies at the provider and program levels. Among the capabilities of an IIS are the capacity to inform vaccine providers of upcoming patient vaccination needs; generate vaccination coverage reports, patient reminders, or recalls for past due vaccinations; and interoperate with electronic health record (EHR) systems. In 2010, the Task Force on Community Preventive Services recommended that immunization information systems be used to increase vaccination coverage after showing strong evidence of their effectiveness. A Healthy People 2020 objective is to increase to 95% the percentage of children aged