So, tomorrow is World Tuberculosis Day. I wanted to highlight the Texas Center for Infectious Diseases, which has used elastomeric masks like the North 7700 with P100 filters since *1996* and have not had one - not one - staff member test + for TB. kens5.com/article/news/h…
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@Michael59503746 Hmm, it’s like they know something others don’t……….
@Michael59503746 Just shows we could easily do this with cסvid if we bothered to try...
@Michael59503746 Learned about them thanks to @SEIU hygienist Mark Catlin years ago. He talked about this example and related history in @OHCOWclinics webinars like ohcow.on.ca/posts/occ-us-c…
@Michael59503746 They are probably safer at work than at home
@Michael59503746 @JaySwansonPool That’s amazing.