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In the recommendation for each vaccine group, a series may or may not be displayed. A series is typically not selected for display when the patient has already completed his/her series. When a series is selected for display, there are 3 different possible Series Selection Display Type designations:

Selection Types

1. SERIES_DISPLAY_UNAMBIGUOUS

   • When this display type is specified, it indicates that there is no other series that could possibly be selected for the patient to complete a series for the vaccine group.

   • ICE is forecasting the next dose based on this series. Therefore, the series specified by this display type can confidently be displayed/returned to the end user.

2. SERIES_DISPLAY_BEST_GUESS

   • When this display type is specified, it indicates that while there is more than Series that could be used for the patient to complete a series in the vaccine group, the series specified is the “best guess” and the one that ICE is accurately using for the forecast.When this is returned, there will not be a SERIES_DISPLAY_UNAMBIGUOUS series.

   • ICE is accurately forecasting the next dose based on this series. Therefore, the The series specified by this display type can confidently be displayed/returned to the end user, with the recognition that other series could potentially be followed or the series displayed by ICE may change in the future based on a combination of factors, such as timing of future doses or the actual vaccines administeredvaccines added to the patient’s immunization record.

3. SERIES_DISPLAY_ALTERNATIVE (not currently used)

   • Note: This is a placeholder feature and not currently used. Additional rules specific to each vaccine group need to be developed to accurately display alternatives. Please let us know if there is an interest in this feature.

   • This display type may be returned by ICE when there are alternative series that may could be followed to complete a series in the vaccine group. The utility of this display type has not yet been determined, so currently it is only sometimes not returned in the ICE output.

   • When a series with this display type is returned, there will also always be another series with display type May or may not be returned in conjunction with a SERIES_DISPLAY_BEST_GUESS selection.Unlike the

   • An example utility for this display type would be when there are no shots on record for a particular vaccine group. For example, if a patient has not received any COVID-19 shots, ICE could return multiple different product-specific series.

   • Unlike a series specified by SERIES_DISPLAY_UNAMBIGUOUS and SERIES_DISPLAY_BEST_GUESS, the any series selection specified by this display type is notused by for its ICE when determining the forecast.ICE service providers might consider returning the series designated by this display type in conjunction with the series designated by the

To summarize, whenever a Series is selected for display, the logic to determine which series is selected for display is as follows:

• If there is only one series defined in a vaccine group, the series selection type is SERIES_DISPLAY_UNAMBIGUOUS.

• If there is more than one series defined in a vaccine group, the series selection type is SERIES_DISPLAY_BEST_GUESS

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• For purposes of the ICE service provider, a selection categorized as either SERIES_DISPLAY_UNAMBIGUOUS or SERIES_DISPLAY_BEST_GUESS may be returned to the end user.

Inclusion or Exclusion of Series Display Selection and Number of Doses Remaining in Output

The Series and Number of Doses Remaining structure is included (or excluded) from the output under the following circumstances.

• For each vaccine group, the

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• list of series are specified in the ICE wiki page.

• If a dose is not recommended (i.e. - recommendation is CONDITIONAL or NOT_RECOMMENDED), a series display selection will not be returned in the output.

  • The section will be excluded entirely from the ICE output.

• If a dose is recommended (i.e. - recommendation is RECOMMENDED or FUTURE_RECOMMENDED) and the series is not complete, a series display selection will be returned in the output.

  • The series display selection and the calculated number of doses remaining in the series will be output.

• If a dose is recommended and the series is complete, a series display selection will be returned in the output.

  • The series display selection is returned. The number of doses remaining will be set to “Recurring”.

Number of Doses Remaining

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• If the series is not complete and a dose is recommended (Due Now or Due in Future), the number of doses remaining is returned simply by subtracting the number of doses administered from the total number of doses needed to complete the selected series (i.e. - either SERIES_DISPLAY_UNAMBIGUOUS or SERIES_DISPLAY_BEST_GUESS)

• If the series is complete, there are no recurring doses defined by the series, and no doses are recommended, the number of doses remaining is 0.

• If the series is complete, there are no recurring series defined by the series, but a dose is nevertheless recommended by ICE (not a typical circumstance), the number of doses remaining is 0 doses remaining in series; one or more additional doses may still be recommended

• If the series is complete, there are recurring doses defined by the series, and a dose is recommended, the number of doses remaining is Recurring.

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