A contact tracing system that alerts users of proximity to people infected with coronavirus was the most downloaded app in Switzerland last year. The SwissCovid app has been downloaded by 3,180,000 people since June 25, 2020. It has been declared a success by the Swiss authorities. "Up to around two million people actively use the SwissCovid app, thus helping to break the chain of infection and being warned of the risk of infection more quickly," the government stated on Thursday. “In this way, users make a significant contribution to combating the pandemic.” A code is generated when someone using the app reports being infected with Covid-19. Alerts are then sent out to any other app users who had been close enough to the Covid sufferer to have potentially been infected themselves. Some 83,117 codes have been issued to date, but privacy rules make it impossible to determine how many people received a warning. SwissCovid has been fine-tuned several times to improve its...
