Coronavirus maps
On the Internet we can find interactive maps showing the extent and confirmed cases of coronavirus on a global scale.
Examples:
https://coronavirus.jhu.edu/map.html
https://www.youtube.com/watch?reload=9&v=qgylp3Td1Bw&feature=youtu.be
Where can I find other, more detailed maps of coronavirus occurrence, e.g. by country, province or city? What types of visualization methods were used?