[Update 2021: COVID-19 from the perspective of cardiology].

More than one year ago COVID-19 emerged to a rapidly expanding global pandemic. Along with a growing number of individuals infected with SARS-CoV-2, we gained substantial knowledge on development, progression and treatment of the disease. In the light of increasing worldwide infection rates during the current "third wave", we will give a short update on COVID-19 from a cardiological point-of-view.