The data source is Johns Hopkins University. They update the data once a day. This is an educational site.
This GitHub repo and its contents herein, including all data, mapping, and analysis, copyright 2020 Johns Hopkins University, all rights reserved, is provided to the public strictly for educational and academic research purposes. The Website relies upon publicly available data from multiple sources, that do not always agree. The Johns Hopkins University hereby disclaims any and all representations and warranties with respect to the Website, including accuracy, fitness for use, and merchantability. Reliance on the Website for medical guidance or use of the Website in commerce is strictly prohibited.
This site is a free site for non-commercial use and intended to stay a free site for individuals and practioning individual physicians!
Reverse engineering, data scraping and spidering are strictly prohibited and will be prosecuted under 18 U.S.C. § 1030(e)(6) and other statutes. Licensing with an API is available.
If this site is really helpful and you are loaded with money -- Amazon Gift cards are always appreciated to defer operating costs.;-)