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Tracking administration of pre-pandemic and pandemic influenza vaccines will be an important component of monitoring utilization in priority groups especially during the early stages of an influenza pandemic when vaccine is expected to be scarce.The nationwide vaccine doses administered exercise (DAX 2008) builds on the pilot test conducted in 2007 and uses CDC’s Countermeasure and Response Administration system (CRA) to track seasonal influenza vaccine as a proxy for vaccine administration during an influenza pandemic.
Method Results Conclusion
The 62 CDC public health emergency preparedness (PHEP) grantees — 50 states, 8 U.S. Territories and Island Jurisdictions and four major metropolitan areas (New York City, District of Columbia, Los Angeles County and Chicago) — reported vaccine doses administered via the CRA using one of three options: (1) data exchange with an immunization information system or other system, (2) direct web-entry of aggregate data, and (3) direct web-entry of individual patient-level data, which CRA then automatically aggregates the counts. To be considered fully successful, a Project Area had to transmit data on general population priority groups on a weekly basis from at least eight clinics, of which at least one was from a City Readiness Initiative (CRI) area, over four consecutive weeks between October 1 – December 31, 2008.
Fifty seven Project Areas (92%) sent some data to CDC during the exercise and 31 (50%) were fully successful in data transmission. Fifty six Project Areas (90%) met the CRI requirements. More than 600,000 vaccine doses administered were reported during the exercise period.
Project Areas and CDC gained substantial knowledge and experience in collecting and transmitting large volumes of vaccine doses administered data, via CRA to include information on general population priority groups for receipt of vaccine.