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AIRA 2018: Is Open Source the Key to IIS Sustainability?

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AIRA 2018: Is Open Source the Key to IIS Sustainability?

On August 14-16, 2018 the American Immunization Registry Association (AIRA) held its 2018 National Meeting. This meeting brought together more than 350 informatics professional ...

Noam Arzt and Bill Brand engage in a “fireside chat”

On August 14-16, 2018 the American Immunization Registry Association (AIRA) held its 2018 National Meeting. This meeting brought together more than 350 informatics professionals, public health officials, EHR vendors, and other stakeholders who all care passionately about Immunization Information Systems (IIS) and their role in the healthcare community. IIS projects leverage interoperability with EHRs, PHRs, and other systems to promote clinical practice at the point of care; enable public health surveillance; and reduce cost by assisting in preventing both under and over immunization.

HLN releases Version 1.14.1 of its Award Winning Open Source Immunization Forecaster

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HLN releases Version 1.14.1 of its Award Winning Open Source Immunization Forecaster

On August 10, 2018, HLN released a new version (v1.14.1) of the Immunization Calculation Engine (ICE). ICE is a state-of-the-art open-source software system that provides clinical ...

On August 10, 2018, HLN released a new version (v1.14.1) of the Immunization Calculation Engine (ICE). ICE is a state-of-the-art open-source software system that provides clinical decision support for immunizations for use in Immunization Information Systems (IIS), Electronic Health Record (EHR) and Personal Health Record (PHR) Systems.

The release completes support for Earliest Date and Overdue Date for all vaccine series in ICE’s default schedule. If enabled, ICE will output two additional forecast dates along with the Recommendation Date: the Earliest Date and Overdue Date. The Earliest Date is the soonest date that the vaccine can be given and still be considered valid. The Overdue Date is the date after which an immunization administered would be considered late. Completing support for Earliest Date/Overdue Date is an important milestone for ICE. HLN will be presenting this new version this week at the annual meeting of the American Immunization Registry Association  (AIRA) and week of August  20 at the CDC Public Health Informatics Conference.

The latest ICE Implementation Guide (v2r20) describes how implementers should update their installation and software to properly read the Earliest, Recommended, and Overdue dates. The relevant information starts on page 43. Note that a “track changes” version of this same guide is also available. The tracked changes are intended to make it easier for the reader to see what has changed in the Guide since the prior release of the ICE Implementation Guide (v2r18).

The full software release is available for download at https://cdsframework.atlassian.net/wiki/display/ICE/Downloads.

HLN Presenting at Upcoming Healthcare Meetings

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HLN Presenting at Upcoming Healthcare Meetings

Over the next several months HLN will be attending a number of important healthcare and public health meetings and events and presenting our work and perspectives. Events and prese ...

Over the next several months HLN will be attending a number of important healthcare and public health meetings and events and presenting our work and perspectives. Events and presentations include:

2018 OSEHRA Open Source Summit (July 18-20): HLN will be joining colleagues on the Immunization Working Group for an update of the groups activities, including an update about HLN’s ICE Open Source Immunization Evaluation and Forecasting System (7/18, Afternoon Session II, 2:30pm ET).


American Immunization Registry Association (AIRA) 2018 National Meeting (August 14-16): As a gold sponsor of the meeting, HLN shows its strong commitment to the Immunization Information System (IIS) community. We will deliver several presentations during this conference, including:

  • Strategies for Evaluating and Integrating SmartyStreets (Session 1B, 8/14, 1pm MT)
  • IIS Platform or Module Migration – Is Your Program Prepared? [with CDC, AIRA & PHII] (Session 2B, 8/14, 2:30pm MT)
  • CAIR2 Patient Matching: Solving the 25 Million Piece Puzzle [with CA and DXC] Session 3A, 8/15, 9:15am MT)
  • IIS Past, Present, and Future: A Conversation and a Discussion [with PHII] (Session 4E, 8/15, 11am MT)
  • Comparative Analysis of AFIX-IIS Tools [with CA] (Session 5D, 8/15, 1pm MT)
  • Cloud-Based Solutions: A Good Option for Hosting CDS for Immunizations (Session 5D, 8/15, 1pm MT)
  • Vaccines For Children (VFC)-IIS Integration Strategy [with CA] (Session 6E, 8/15, 2pm MT)
  • ICE: An Open Source Option for Immunization Forecasting (Session 7D, 8/16, 11am MT)
  • Hearing from Everyone: Diverse Perspectives to Improve Oregon School Immunization Reporting [with OR] (Session 8C, 8/16, 9:45am MT)

HLN will also have an exhibitor booth at the meeting.


2018 Public Health Informatics (PHI) Conference (August 19-23): HLN will have an even greater presence at this bi-annual CDC-sponsored conference including delivery of the following presentations:

  • Case Study for Cloud Computing Solutions in Public Health: Clinical Decision Support (Session E03, 8/21, 4:15pm ET)
  • Reportable Conditions Knowledge Management System (RCKMS): Developing Quality Decision Support in the Data Supply Chain for Public Health Surveillance [with CSTE] Session B01, 8/21, 10:30am ET)
  • A Collaborative Approach to Supporting Information System Migration Projects [with CDC, AIRA, & PHII] (Session G01, 8/22, 1:30pm ET)
  • Clinical Decision Support for Immunizations as a Community-drive, Standards-based Activity [with CDC & NYC] (Session H04, 8/22, 3pm ET)
  • Developing a Data Integration and Management System: Improving New York City’s Population Health Research and Surveillance [with NYC] (Session H07, 8/22, 3pm ET)
  • The Changing Face of Interoperability and its Impact on Public Health (Session K11, 8/23, 9:15am ET)

In addition to being an exhibitor at the conference, HLN will demonstrate some of its Open Source software as part of a HIMSS Interoperability Showcase that accompanies this event:

  • Immunization Use Case – ICE Immunization Evaluation and Forecasting System
  • Electronic Case Reporting Use Case – Reportable Conditions Knowledge Management System (RCKMS)


Health Level 7 (HL7) 32nd Annual Plenary and Working Group Meeting (9/29-10/5): HLN will attend this important gathering, including demonstrating our Open Source products at the FHIR Connectathon that takes place in conjunction with the meeting.

HLN releases Version 1.13.1 of its Award Winning Open Source Immunization Forecaster

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HLN releases Version 1.13.1 of its Award Winning Open Source Immunization Forecaster

A new release (v 1.13.1) of the Immunization Calculation Engine (ICE) is now available (download ICE version 1.13.1). ICE is a state-of-the-art open-source software system that pro ...

A new release (v 1.13.1) of the Immunization Calculation Engine (ICE) is now available (download ICE version 1.13.1). ICE is a state-of-the-art open-source software system that provides clinical decision support (CDS) for immunizations for use in Immunization Information Systems (IIS), Electronic Health Record (EHR) and Personal Health Record (PHR) Systems.

The release includes support Earliest Date and Overdue Date for additional vaccines: Pneumococcal and Hib. If enabled, ICE will output two additional forecast dates along with the Recommendation Date: the Earliest Date and Overdue Date. The Earliest Date is the soonest date that the vaccine can be given and still be considered valid. The Overdue Date is the date after which an immunization administered would be considered late. With this release, ICE returns the earliest and overdue dates for nine vaccine groups, and the remaining three vaccine groups will be completely supported in a future release of ICE this summer.

In addition, this release includes an adjustment to the Pneumococcal catch-up schedule (see Exception 1B in the Pneumococcal Vaccine Group documentation for details). All changes are documented in the release notes. There were no changes to the ICE Implementation Guide (v2r20) which describes how implementers should update their installation and software to properly read the Earliest, Recommended, and Overdue dates.

Feel free to e-mail us at ice@hln.com if you have any questions.

Epic and Cerner Connect to HLN’s ICE at FHIR Connectathon

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Epic and Cerner Connect to HLN’s ICE at FHIR Connectathon

At the 18th FHIR Connectathon in Cologne, Germany on May 12-13, 2018, HLN successfully integrated its open source Immunization Calculation Engine (ICE) service with test instances ...

At the 18th FHIR Connectathon in Cologne, Germany on May 12-13, 2018, HLN successfully integrated its open source Immunization Calculation Engine (ICE) service with test instances of two Electronic Health Record (EHR) products, Epic and Cerner, using the CDS Hooks standard.

CDS Hooks is an emerging specification for invoking third-party Clinical Decision Support (CDS) web services from various points within an EHR workflow, such as whenever a patient is viewed. Registering a CDS service in an EHR is as easy as supplying a service discovery URL.
When invoked, the ICE CDS Hooks service accepts patient demographics and immunization history supplied by the EHR in FHIR format; calls the ICE decision support service; and sends back immunization forecasting alerts to the EHR for display.

The Connectathon was held prior to the May HL7 Working Group Meeting in Cologne. Version 1.0 of the CDS Hooks standard (cds-hooks.org) is being voted on during the May 2018 HL7 ballot cycle.

More information on ICE is available at cdsframework.org.