Senior Airman Andrew Hetzler, 56th Bioenvironmental Engineer technician, mists a bitter sensitivity solution in to a qualitative fit test hood worn by Karen St. Aubin, 56th Dental Squadron dental technician, April 1, 2020, at Luke Air Force Base, Ariz. Bio uses the hood to contain the solution while helping ensure N95 masks worn by medical personnel fit properly. In this case, Aubin is being exposed to the solution to familiarize her with its smell without the N95 mask. The bioenvironmental personnel are helping Luke combat Coronoavirus Disease 2019 by ensuring protective equipment is working properly to maximize protection for medical personnel. The 56th Medical Group is following Centers for Disease Control and Prevention guidelines and working closely with Arizona health officials to minimize the spread of COVID-19 at Luke AFB and the surrounding community. (U.S. Air Force photo by Senior Airman Leala Marquez)
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