Coronavirus COVID-19 Global Cases by the Center for Systems Science and Engineering (CSSE) at Johns Hopkins University (JHU), Ongoing.
One of the earliest updated maps. Global numbers, then breakdowns by most countries. Updated several times daily. https://gisanddata.maps.arcgis.com/apps/opsdashboard/index.html#/bda7594740fd40299423467b48e9ecf6 For how the map was created: https://www.thelancet.com/journals/laninf/article/PIIS1473-3099(20)30120-1/fulltext