https://blogs.mercola.com:443/sites/vitalvotes/archive/2020/07/25/make-your-mask-more-effective-by-inserting-a-vacuum-cleaner-filter.aspxWe all know that wearing a mask can help reduce the spread of coronavirus, but how effective is your mask? Not everyone has access to the best virus-thwarting masks &mdash; including N99, N95 and surgical masks &mdash; but the homemade or store boughtenCommunityServer 2008.5 SP1 (Debug Build: 31106.3070)https://blogs.mercola.com:443/sites/vitalvotes/archive/2020/07/25/make-your-mask-more-effective-by-inserting-a-vacuum-cleaner-filter.aspx?ShowAllComments=True#10146987/25/2020 8:19:59 AM24451277-a5aa-4add-96dc-64081bfd86fa:1014698darnaud<p>Surprising lead to the article when in previous days results of studies showing mask wearing to be ineffective were published on the site; no reference to that. What gives?</p> https://blogs.mercola.com:443/sites/vitalvotes/archive/2020/07/25/make-your-mask-more-effective-by-inserting-a-vacuum-cleaner-filter.aspx?ShowAllComments=True#10146887/25/2020 7:49:23 AM24451277-a5aa-4add-96dc-64081bfd86fa:1014688Mr.Magoo<p>A verry stupid and not Dr. Mercola worthy idea! Polypropylene HEPA vacuum cleaner filters might pose as health risk because of the biocides used in the filters. Prolonged skin-filter contact is therefore not advisable.</p>