The data files, used in this project are derived from this repository; copyright 2020 Johns Hopkins University. Make sure your intended usage adheres to their terms of use.


Data files located in this repo are not copies of the original source files but rather aggregated data. We did our best to aggregate the timeline data, which is often fragmented, collected in different manner over time, and contains some other curiosities.

The below chart was made with amcharts. Feel free to download the source code that is available here.