Figure 3.
Choropleths showing district-wise heat distribution based on (A) population density (comparator); (B) infected people per km2.
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.