https://www.worldometers.info/coronavirus/ An excellent and useful collection of stats of infection, recovered, active cases, serious/critical, deaths numbers – for world and by country, new (today) and older. Also has age distribution and testing numbers by country. Graphs are available for each country with more than 1,000 cases. At time of writing (12 Mar 2020), all (except China and South Korea) show exponential growth.
https://gisanddata.maps.arcgis.com/apps/opsdashboard/index.html#/bda7594740fd40299423467b48e9ecf6 Data gathered by John Hopkins – a summary. Not as useful as above.