COVID-19 by the Center for Systems Science and Engineering at Johns Hopkins University 

Johns Hopkins experts in global public health, infectious disease, and emergency preparedness have been at the forefront of the international response to COVID-19.  This website is a resource to help advance the understanding of the virus, inform the public, and brief policymakers in order to guide a response, improve care, and save lives.
JHU has stopped collecting data as of 03 / 10 / 2023