Here is the approach Switzerland it taking [2]. All open source and decentralised privacy-preserving. Available for any other state to use. It is the responsib

Here is the approach Switzerland it taking [2]. All open source and decentralised privacy-preserving. Available for any other state to use. It is the responsibility of the app user to get tested or quarantine themselves if the app shows you have been in contact. No central authority knows who you have been in contact with or who you are. The installation of the App will also most likely be voluntary. [1] https://github.com/DP-3T/documents https://github.com/DP-3T/documents [2] https://github.com/DP-3T/dp3t-app-android-ch https://github.com/DP-3T/dp3t-app-android-ch