We have been trying to visualize Covid-19 datasets using the Python libraries Pandas and Matplotlib. It turns out that you can create videos and animated gifs using directly Matplotlib's animation package.
This is the code you need:
prepare the figure
create the update function and define the animation object
save the animations to a gif file
In this case we have created three pie chart animations of the percentage of Covid-19 by country with three different speeds. They show nicely how the current epidemics is evolving comparatively per country. The Covid-19 phenomena starts as a local Chinese problem and at the end it becomes a global issue affecting mostly the US and Europe (for now).
Here are the animations: