Visualizing Coronavirus Cases and Deaths by Country and US County

Updated on Friday, September 25, 2020

Cases and Deaths by Country Yesterday

Daily Incremental

Visualizing Coronavirus Deaths by Country (Daily Incremental)

Cumulative

Visualizing Coronavirus Deaths by Country (Cumulative)

Cases and Deaths by US County Yesterday

Daily Incremental

Visualizing Coronavirus Deaths by US County (Daily Incremental)

Cumulative

Visualizing Coronavirus Deaths by US County (Cumulative)

This post is updated daily with global and US county level coronavirus data from Johns Hopkins University. Four videos show both cumulative and daily progression of the disease together with four images that show a snapshot for yesterday.

Cases and deaths are shown simultaneously using blue for cases and red for deaths. Where both are high a region will be a shade of purple. Regions with no data are dark gray.

The daily incremental visualization is useful to see the history and current state of the spread of coronavirus. Each region is shaded based on the highest number of daily cases and deaths for that region. For example if the highest number of deaths reported on any day in San Francisco county is 3, then any day that has three deaths will be the brightest shade of red. This shows where COVID-19 is relatively bad but should be used to compare regions.

The cumulative visualization is shaded relative to the highest total death and case count for any region. This does show the relative severity between regions (based on total deaths and cases, not relative to population).

As the location and date of the peak in daily and cumulative cases and deaths change over time the videos will be different each time you watch. Bookmark this post and check back for daily updates.

(This is the third version of this post as I have changed the data source and methodology several times. I usually preserve the previous version of any post but the changes are large enough that in this case I have removed them).

Cases and Deaths by Country

Daily Incremental

 

Cumulative

 

Cases and Deaths by US County

Daily Incremental

 

Cumulative

 

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I Thought He Came With You is Robert Ellison's blog.

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