WHO Digital Documentation of COVID-19 Certificates (DDCC)
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This is the continuous build for version 1.0.0. This version is based on the current content of https://github.com/WorldHealthOrganization/ddcc and changes regularly.


This implementation guide is meant to facilitate operationalization of the Digital Documentation of COVID-19 Certificates (DDCC) technical specifications and implementation guidance issued by the World Health Organization (WHO). This page includes links to the published DDCC: Vaccination Status (DDCC:VS) and DDCC: Test Result (DDCC:TR) guidance, as well as a small subset of other references from the guidance.

For additional resources, see the Dependencies page, which includes the standards referenced in this implementation guide, the Content Profiles page for examples of DDCC implementations and use, and the references sections in the linked guidance documents.

DDCC:VS published guidance

The following DDCC:VS materials were published on 27 August 2021:

DDCC:TR published guidance

The following DDCC:TR materials were published on 31 March 2022:

Additional resources