Chris Shaefer: Open Letter Regarding Mask Safety

Chris Schaefer is the Director of  SafeCom Training Services Inc. in Edmonton.  He has sent this letter to Dr. Deana Hinshaw.  As an open letter it is also being circulated on social medias.  
“I have been teaching and conducting respirator fit testing for over 20 years and now currently for my company SafeCom Training Services Inc. My clients include many government departments, our military, healthcare providers with Alberta Health Services, educational institutions and private industry. I am a published author and a recognized authority on this subject.”