Photo taken on June 3, 2020 shows the contact-tracing smartphone app "StopCOVID" on a mobile phone in Paris, France. French government launched on June 2 "StopCOVID," a contact-tracing smartphone app that could warn people voluntarily using it if they come into contact with a COVID-19 carrier. (Xinhua/Gao Jing)
French gov't launches contact-tracing smartphone app "StopCOVID"
Source: Xinhua| 2020-06-04 07:18:52|Editor: huaxia