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DISI Architecture

The following document describes the DISI architecture in detail as well as describes the set of technologies used in the DISI Reference solution.

The description of the conceptual architecture is the most important piece of information to read to gain an understanding of what the DISI architecture can provide.

There is a variety of additional documentation that is available if you would like to deep dive into the system specifications and the details of how everything works together. The following document help to provide those additional details:

Additional References

Key DISI components

This document outlines the functionality needed for program management and patient care coordination.

• Descriptions of necessary components are not limited to specific technologies and implementations.
• These components together achieve the goal of integrating data from multiple sources while ensuring the availability of quality data in a manner that ensures privacy, security, and confidentiality.

HIV Minimum Datasets

HIV CBS

The minimum dataset specifies the data points needed per sentinel event needed for CBS. Like the sentinel events, this dataset is the absolute minimum required and a good starting point for a CBS system. Countries may wish, and in many cases do, expand the minimum dataset to a more appropriate list meeting their use case.

HIV Program Monitoring and Patient Care Coordination

This dataset includes the necessary data points to support the program monitoring and care coordination use case.

COVID19 Minimum Datasets

Monitoring COVID19 Cases and Their Immunisation Status

This dataset includes the data points needed to monitor an individuals progress towards being up-to-date vaccinated. In addition, this dataset makes reference to key data points as defined by the HIV CBS minimum dataset to track COVID 19 cases within the HIV population.

FHIR Mapping

These spreadsheets map their minimum dataset data points to FHIR resources.

HIV CBS

HIV Program Monitoring and Patient Care Coordination Initial

HIV Program Monitoring and Patient Care Coordination Extended

COVID19

Functional and Non-Functional Requirements

The requirements specification document describes the DISI reference solution that is intended to specify and track the necessary information required to effectively define business, functional, and non-functional requirements to establish a CR and DR for HIV CBS, Patient care co-ordination and Program monitoring.

Business Processes

This document outlines the processes for patient matching and linking for the DISI Reference solution. The business processes are described using process flow diagrams.

📗Data exchange workflows

This document describes:

• Data exchange processes and workflows,
• Bidirectional transactions between the components
• Boundaries of each system and their interaction. 

Includes standard messaging formats with a recommended standard for the DISI Reference solution.

Data Repository specification

This document describes the technical solution designed for the DISI Reference solution to support the HIV case based surveillance use case. This is in line with the OpenHIE framework. The solution includes the high level patient record data structure on the Data Repository (DR) and how it is combined with the Client Registry (CR) data to be used for later analysis, reporting and visualization. Included is how the data from different source systems is managed so that a single longitudinal record is considered.

HIV Requirement Specifications

This document specifies case-based surveillance trends and outcomes typically by demographics or region, all geared towards informing the HIV epidemic. Dashboards are developed with this in mind and provide visual representations of this information.

COVID19 Requirement Specifications

Analytics and visualisation specifications

HIV CBS Component URLs and Credentials

HIV & COVID19 Packaged Component URLs and Credentials