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Viable plan or security theatre? Europe embraces digital health pass

As Europe races to set up a digital health pass scheme to save the holiday season from the pandemic, technical and political obstacles are showing just how big a challenge the world faces in building such systems, people involved in the effort say.

Developers are grappling with issues ranging from the practical - such as what to accept as proof of being Covid-19-free - to the philosophical, including debates over discrimination and personal privacy...

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