A lot of the maps I see showing coronavirus cases, even from sources like the CDC, have a problem: They’re labeled by country, or by state. Labeling the # of cases reported in the US doesn’t tell you that they’re mostly in clusters in Washington & California. Labeling the # of cases in CA doesn’t tell you that they’re mostly in northern CA.
What matters for tracking its spread is actual location & transportation links, not jurisdiction.
some examples of the kind of map I’m talking about here:
https://www.cdc.gov/coronavirus/2019-ncov/locations-confirmed-cases.html