Keywords: NIOSH Aerosol Sampler (8743397933).jpg This picture shows the NIOSH aerosol sampler as it was worn by healthcare workers during a study of airborne influenza The inlet of the sampler is close to the mouth and nose of the worker in what is called the worker ™s breathing zone This ensures that the sampler is collecting aerosol particles representative of those that the worker is breathing The sampler is attached to the strap of a backpack that contains a vacuum pump to pull air through the sampler https //www flickr com/photos/niosh/8743397933/ NIOSH Aerosol Sampler 2009-08-20 19 44 https //www flickr com/people/25069384 N03 National Institute for Occupational Safety and Health NIOSH from USA PD-USGov NIOSH http //flickr com/photos/25069384 N03/8743397933 2015-04-28 04 51 39 United States Government Work Influenza Safety Sampling Work Workplace National Institute for Occupational Safety and Health |