Nucleus Medical Media has a great animated explanation of how the COVID-19 virus works.
Kurzgesagt – In a Nutshell explores what actually happens when it infects a human and what should we all do.
In December 2019 the Chinese authorities notified the world that a virus was spreading through their communities. In the following months it spread to other countries, with cases doubling within days. This virus is the “Severe acute respiratory syndrome-related coronavirus 2”, that causes the disease called COVID19, and that everyone simply calls Coronavirus.