Here is a scatterplot from a March 7 blog post titled “What Worked in 1918-1919?“:
![1918 flu: excess mortality vs public health response time](https://openlab.citytech.cuny.edu/math1372-ganguli-spring2020/files/2020/03/Public-Health-1-warrow.jpg)
Here is the intro to this graph from the Marginal Revolution blog post:
Take a look at the 2007 paper (“Nonpharmaceutical Interventions Implemented by US Cities During the 1918-1919 Influenza Pandemic“) which contains a number of additional scatterplots!