Stückelberger, Christoph2021-02-052021-02-0520209782889313815http://hdl.handle.net/20.500.12424/4011260engAttribution-NonCommercial-NoDerivatives 4.0 Internationalhttp://creativecommons.org/licenses/by-nc-nd/4.0/Covid-19fake newstruthresponsibilitysocial mediaMedia/communication/information ethicsYou shall not lie : from Covid-19 fake news to truthfulnessBook chapter