The International Chamber of Commerce recently presented its AOKpass declaration to safeguard health data in the context of privacy and data security issues with the current crop of COVID-19 tracking apps.
https://www.notebookcheck.net/COVID-19-International-Chamber-of-Commerce-passes-landmark-AOKpass-declaration-to-protect-health-data-in-an-era-of-invasive-COVID-10-tracking-apps.466517.0.html