As a part of study aimed towards assessing the magnitude and key drivers of vaccine wastage rate, the general understanding is that wastage rates are typically higher for multi-dose vial vaccines in comparison to single dose vial vaccines. Also, while key drivers of wastage such as expiry, freezing, heat exposure have been identified, it's hard to understand the exact magnitude of wastage resulting from this areas. This makes it hard to identify the exact areas of programmatic intervention, especially in resource limited settings.
I was wondering if there are sentinel studies available that can be used to quantify the magnitude of wastage occurring break down by unopened and opened vial wastage rates, and also if possible provide estimates based on expiry, freezing, heat exposure and other reasons. Any suggestions on this area of work will be highly appreciated.
Thanks
Gaurav Kapoor
617 407 8837
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