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Metrics - Historical
Definition
Supports vaccinations administered in the past that are no longer available.
Rationale
Past vaccinations are essential for understanding immunity and potential health risks.
Possible measure
NB: Would it be possible to create a list of historical vaccinations that we know should be representable? This would be a stable but growing list. We could make a demonstration record with all these vaccinations on them and then verify how many of them can be recorded with the code system. The measure would be a simple percentage. The goal would be that we include all vaccinations that are important for establishing immunity to a core set of diseases. We don't have to get all vaccinations that ever existed, but we can cover at least 80% of the important ones. Then we have a stable metric.