publicCoronavirus disease 2019ΑΙΘΟΥΣΑ ΣΥΝΤΑΞΗΣ21/04/202621/04/2026 by ΑΙΘΟΥΣΑ ΣΥΝΤΑΞΗΣ21/04/202621/04/202608 COVID-19 is a contagious disease caused by the coronavirus SARS-CoV-2. In January 2020, the disease spread worldwide, resulting in the COVID-19 pandemic. The symptoms of...