Figure 1.
Map of Qatar showing the locations of the four PHCCs in Doha city where samples were collected: Qatar University, Al-Rayyan, Umm-Ghuwailina, and Old Airport health centers.
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.