The use of Bluetooth in contact tracing has been widely supported on the Continent but there is disagreement there on how to implement it. A German approach called  Pan-European Privacy-Preserving Proximity Tracing (PEPP-PT https://www.pepp-pt.org) conflicts with a Swiss approach, called DP-3T,  which links into the Google-Apple contact tracing app. PEPP-PT is seen as centralised – ...

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