The Accra Declaration confirmed the support of the two main healthcare interoperability standards  by the open source community. With the support of major open source advocates, this allowed free and unfettered access to the core healthcare interoperability standards which resulted in a substantial increase in their usage. The International Healthcare Modelling Standards Development Organisation (IHMSDO) had earlier placed the intellectual property (IP) of the HL7 and DICOM standards and the IHE profiles into the public domain under the creative commons licence.
The declaration was signed at the May 2015 IHMSDO Standards and Implementation Meeting in Ghana.
- http://www.HL7.org Archived 2010-04-08 at the Wayback Machine Health Level 7
- http://Medical.NEMA.org DICOM
- http://citeseerx.ist.psu.edu/viewdoc/download?doi=10.1.1.83.8535&rep=rep1&type=pdf G Câmara "Information policies and open source software in developing countries"
- http://www.IHMSDO.org/History-Mission.htm International Healthcare Modelling Standards Development Organisation - Mission and History
- http://www.Ghana Health Service.org/healthcare.php Ghana Health Service supports Interoperability Standards (May 2015)