Beginning with As of version 1.11.1, ICE offers has offered the option of returning the Earliest Date and Overdue Date as a part of the forecast, along with the Recommendation Date. In Version 1.11.1, earliest and overdue dates are supported for the following 4 vaccine groups: (1) Meningococcal ACWY; (2) Polio; (3) Rotavirus; (4) Varicella. The ICE team expects this feature to be available for remaining groups by Spring 2018.
The Earliest Date and Overdue Date are defined as follows:
...
As noted above, the general advice is to administer a vaccine as soon as possible once it is recommendedof the ICE Recommendation Date. For this reason, not everyone may wish to use the Overdue Date feature.
...