I wrote a python3 scraper for the https://coronatracker.at site that gets the individual states' data. The code is really a wrapper for the amazing pandas function .read_html(), which does basically everything by reading the table from the html.
The CSV could be cleaned up (e.g. splitting some columns that contain multiple data points together 42.545 +191 (0%...
For macOS you can use this list and for Windows this one. This website seems to have some useful lists summarizing the CLI commands. However, there will always be extra/additional tools that can be installed/ added to the CLI such as git, rsync etc. so in -my opinion- you should always google the names you come up with, to make sure that you won't have any ...
As @philshem explained, this is an ongoing research area especially with the COVID situation nowadays and it is a bit tricky at this early stage to find open-sourced datasets. Luckily, there are a couple such:
COVID-19 Open Source Cough Dataset
If those are ...