bild
EPFL's staff Mathias Payer, right, takes a selfie with soldiers of the Swiss army wearing protective face mask and looking at their smartphone during a test with with 100 soldiers, of a smart phone app using Decentralized Privacy-Preserving Proximity Tracing (DP-3T) during the state of emergency of the coronavirus disease (COVID-19) outbreak, in the military compound of Chamblon near Yverdon-les-bains, Switzerland, Thursday, April 30, 2020. Secure contact tracing could be a powerful tool to fight the spread of COVID-19. A unique, decentralized system developed as part of an international consortium, including Swiss Federal Institute of Technology, EPFL Lausanne and ETH Zurich, will soon be launched with the support of the Swiss Federal Office of Public Health. DP-3T proposes a secure, decentralized, privacy-preserving proximity tracing system based on the Bluetooth Low Energy standard. Its goal is to simplify and accelerate the process of identifying people who have been in contact with someone infected with the SARS-CoV-2 virus. (KEYSTONE/Laurent Gillieron)