Efficacy of Face Shields Against Cough Aerosol Droplets from a Cough Simulator

This is a very interesting study undertaken a few years ago into the efficacy of face shields as protection against coughing. This used one of our machines to simulate the inhaling human. We are now looking to develop the existing machines ability to produce the coughing airflow. It could then effectively perform both parts of this test arrangement. The same arrangement could of course be set up to test other forms of face covering – masks etc.

Face mask efficacy test set up diagram

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4734356/

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