https://apnews.com/fd6cc8a04ae77185110cf8d70cf585a1 > BERLIN (AP) — Germany launched a coronavirus tracing app Tuesday that officials say is so secure even government ministers can use it. > Smartphone apps have been touted as a high-tech tool in the effort to track down potential COVID-19 infections. Experts say finding new cases quickly is key to clamping down on fresh clusters, especially as countries slowly emerge from lockdowns and try to avoid a second wave of infections and deaths.