Figure 1.
Chest X-ray of a person (a) with a COVID-19, (b) with COVID-19 pneumonia, (c) with pneumonia, and (d) a normal case.
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.