Data Sources

Center for Systems Science and Engineering (CSSE) at Johns Hopkins University (JHU)

We use data from JHU for global data. View JHU's dashboard -

The JHU dashboard is operated by the Johns Hopkins University Center for Systems Science and Engineering (JHU CSSE). Also, Supported by ESRI Living Atlas Team and the Johns Hopkins University Applied Physics Lab (JHU APL).

The New York Times

We use data from the New York Times for U.S. country/state-wide data and county level data.

Data from The New York Times is based on reports from state and local health agencies.

Check out the New York Times interactive map.

New York City Department of Health and Mental Hygiene

We use data from the NYC Health Department for NYC-level data.

View more data at

Map sources


Data from Esri, DigitalGlobe, GeoEye, i-cubed, Earthstar Geographics, CNES/Airbus DS, USDA, USGS, AEX, Getmapping, Aerogrid, IGN, IGP, swisstopo, and the GIS User Community. - New York Times Covid-19 U.S. level data - John Hopkins University Covid-19 global data - NYC Health Department Covid-19 data - Leaflet maps engine - Leaflet polyline decoding/encoding - Leaflet Canvas Renderering & Optimizations - Charts API

Learn more about the Covid-19 map.