Germany launches coronavirus app as EU eyes travel revival

BERLIN: Germany appealed to the public on Tuesday to download a new smartphone app to help break the chain of coronavirus infections, one of several such apps that European governments hope will revive travel and tourism safely. The Covid-Warn-App, now available for Apple and Android devices, uses Bluetooth short-range radio to measure close contacts between people and issues a warning should one of them later test positive for COVID-19. "This app isn't a cure-all. It's not a free...