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OBJECTIVES: The objectives of this study were to quantify the actual costs of developing, maintaining, and operating the Boston Immunization Information System (BIIS), an electronic registry and tracking system, and to compare the registry's costs with those of performing the same functions manually. METHODS: Cost data were obtained from 23 BIIS health care sites, the city health department, and 13 control sites. Actual costs of developing and operating BIIS in 1998 and projected 1999 costs for a hypothetical expanded registry were measured. Total costs of registry-supported immunization activities were compared with the costs of similar types and volumes of manual activities. RESULTS: The total annual cost of developing, maintaining, and operating BIIS in 1998 was $345,556. Annual total cost per record was $5.45 for all children aged |
