Covid-19: Combining genetics and geography to track SARS-CoV-2 variants

A screenshot of the interactive map created by Dr Orf that shows the spread of the B.1.416 viral lineage in August 2020 to and from Senegal and various parts of the world, especially Europe, in the middle of Senegal’s first Covid-19 wave. — Abbott

It's long been the fear of public health experts that our interconnected world would enable one virulent disease to spread quickly, with devastating effects across the globe.

That fear came to pass with the SARS-CoV-2 virus, which emerged in Wuhan, China, at the end of 2019, and subsequently spread around the world in a matter of months.