Please list the most successful approaches related to optimizing the use of immunization data (including program, surveillance and vaccine safety data) for improving performance and ultimately reducing VPD morbidity and mortality.

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* 1. What are the top three most successful approaches related to optimizing the use of immunization data?

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* 2. What made these approaches successful?

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* 3. Is there documentation, or are there points of contact you can share to learn more about these approaches?

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* 4. Comments:

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