Interoperability – HLN Consulting, LLC

HLN’s Immunization Calculation Engine (ICE) chosen as a Digital Public Goods Standard

by Lux Phatakon November 2, 2021

HLN Consulting is thrilled to announce that the Immunization Calculation Engine (ICE) project has been chosen by the Digital Public Goods Alliance (DPGA) as innovative open technology and listed in their Digital Public Goods registry. Technologies included in the list are considered to be digital public goods in alignment with the Digital Public Goods Standard. ICE now appears in the Digital Public Goods registry where it is discoverable as a digital public good and reflected on a growing network of catalogs and aggregated lists of digital public goods. The DPGA believes that sharing digital innovation is crucial to building a more equitable world.

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Towards a National COVID-19 Vaccine Credential Strategy in the US

by Noam Arzton May 28, 2021

I have been monitoring the vaccine credential effort for a long time and watching various initiatives worldwide with a particular focus on what might be done in the United States. In a series of blog posts over the past several months I have described at length how the situation in the US differs from the situation in many other countries. In this post I will review the “facts on the ground” as I see them and offer a way forward for the US.

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Vaccine Credentials Do Not Replace Full Vaccination Histories

by Noam Arzton May 9, 2021

More than a year into the COVID-19 outbreak and the lockdowns to slow the spread of the virus, one of the key factors to reopen the United States and some other countries may be a requirement for individuals to prove that they have been vaccinated against COVID-19. This “Proof” of vaccination is called vaccine credentialing and will likely be embodied in a paper or electronic certificate. We have discussed this extensively in a series of articles (see below). On the other hand there are already systems of records that have a far more extensive vaccination history. There is a major concern here among public health officials that the push to minimalization with vaccine credentials will push aside fuller vaccination history. As part of their core function, Immunization Information Systems (IIS) already provide complete and comprehensive immunization records for the individuals whose records they hold either directly or through a clinical provider. In this article we will address the similarities and differences between vaccine credentials and traditional immunization histories and offer some opportunities for public health to maintain its role in data access.

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Vaccine Credential Activities: Redirecting the Conversation for Public Health Registries

by Noam Arzton April 13, 2021

US public health agencies have been playing a critical role in the response to the COVID-19 pandemic. They are currently managing an unprecedented vaccination campaign. Immunization Information Systems (IIS) are a key tool that these agencies use to manage their public health mission and the vaccination campaign. How should public health agencies understand and manage the flurry of controversy – and the loud cautions – surrounding digital vaccine credentials? This blog post is part of a series of posts we have written over the past few weeks where we offer specific advice to reduce confusion about what vaccine credentialing is and how it functions. As a leading public health informatics consulting company, HLN is uniquely positioned to provide guidance and support for government, private enterprise, and consumers interfacing with IIS projects and their standards. A list of previous posts in the series can be found at the end of this post.

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Vaccine Credentialing Activities: It’s All About the Rules!

by Noam Arzton March 26, 2021

In my previous article, I wrote about the World Health Organization’s Interim guidance describing its technical approach to Smart Vaccination Certificates. What the WHO is doing is the first step. In this article, I would like to address the next steps that need to be taken. Specifically, how are organizations going to use the Smart Vaccine Certificates. This issue boils down to the rules that are going to be developed and adopted to make the SVC’s usable. Many of these rules currently don’t exist so we will start by analyzing some key factors.

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