Fig. 3.
Causal path diagram for COVID-19 incidence as of April 27th and July 8th in terms of the county-level explanatory variables (correlational arrows among explanatory variables are not shown to ensure simplicity and clarity).
Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.