You might find the method of mortality coding interesting, which the CDC and WHO compiles and relies on: http://library.ahima.org/doc?oid=91930#.Xwsi6yQiclQ
In particular: “For every death that occurs in the US, a physician, coroner, or medical examiner completes a death certificate. The certificate lists details about the cause of death as well as any contributing conditions or injuries.
All death certificates are sent to a state agency, which varies by state but can include the department of health...
... ‘We don’t necessarily take what the certifier or ph
...It's incredible. I tried to compare with the COVID-19 deaths, but the chart provided did not seem to be working and only showed unclassified. I worked up a few states like Florida, AZ, TX, NY, and the US based on the link in a blog post here, maybe it will be helpful to look at https://joshuagoings.com/2020/07/11/coronavirus-deaths/
https://rt.live gives a useful “Adjusted Positive Tests & Implied Infections” curve for each state, similar to the above normalization, adjusting for testing volume. The implied infections adjusts for the delay in infection vs testing.
As an example, here’s for Florida: https://rt.live/us/FL