in German:
According to the external legal blog post below, DIGA does not allow for standard contractual clauses for transfer of data in countries without an EU adequacy decision. (Note: Not all health apps fall under DIGA).
– This leads to an impact to apps, if US Privacy Shield would not survive Schrems II in mid-July 2020 – in the context of US 3rd parties used (e.g. Google Firebase, etc).