Figure 1.
Total staff numbers in a hospital compared with the number of mask types used within the hospital. A positive correlation was found (r = 0.75, P = 0.002).
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.