Where did COVID19 come from? Where's it going? This brief educational video addresses the following:
1) What was the likely source of the novel coronavirus, SARS-CoV-2?
2) How is related to other coronaviruses?
3) How SARS-CoV-2 is currently evolving -- by accumulating small numbers of random mutations, viruses in different regions are slightly different
4) These mutations do not appear to alter virus function or treatment, but can be beneficial for tracking viruses and improving epidemiological control.

Slides freely available here: https://figshare.com/articles/Evoluti...