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.
(a) Front view of the chamber. The white and blue mannequin simulate a healthcare worker (HW) and patient (P) as the source of pollution, respectively. (b) Right side view of the chamber. The figures on the left and right represent a schematic and actual image, respectively.
