{"id":1095,"date":"2021-02-01T07:48:59","date_gmt":"2021-02-01T12:48:59","guid":{"rendered":"https:\/\/covidqanda.org\/?p=1095"},"modified":"2021-02-01T07:48:59","modified_gmt":"2021-02-01T12:48:59","slug":"is-inserting-a-filter-as-protective-as-double-masking","status":"publish","type":"post","link":"https:\/\/covidqanda.org\/?p=1095","title":{"rendered":"Is inserting a filter as protective as double masking?"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\"><strong><u>Question:<\/u><\/strong>\u00a0Is inserting a PM2.5 filter into a cotton or silk mask\u2019s filter pocket as protective as double masking?<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong><span style=\"text-decoration: underline;\">Answer:<\/span><\/strong>\u00a0 Yes, based on what we currently know, adding PM2.5 filters is as protective as double masking.\u00a0 Returning to the <a rel=\"noreferrer noopener\" href=\"https:\/\/covidqanda.org\/?p=1072\" target=\"_blank\">Q&amp;A of 1\/26<\/a>\u00a0on double masking, wearing a <a rel=\"noreferrer noopener\" href=\"https:\/\/www.cell.com\/med\/fulltext\/S2666-6340(20)30072-6\" target=\"_blank\">three-layer mask that has<\/a> &#8220;outer layers consisting of a flexible, tightly woven fabric that can conform well to the face and a middle layer consisting of a non-woven high-efficiency filter material (e.g., vacuum bag material)&#8221; is highly effective.\u00a0 Put in more straightforward terms&#8211; wearing a tightly woven mask that has 3 layers, including a filter in the middle, is highly effective.\u00a0 And since you mentioned silk, I thought I&#8217;d add one interesting finding <a rel=\"noreferrer noopener\" href=\"https:\/\/www.cdc.gov\/coronavirus\/2019-ncov\/more\/masking-science-sars-cov2.html\" target=\"_blank\">CDC reported<\/a>, which\u00a0is that silk may help repel moisture droplets, thereby reducing fabric wetting and increasing comfort.\u00a0 And as a reminder, <strong>Figure1<\/strong>\u00a0shows CDC&#8217;s Do&#8217;s and Don&#8217;ts for masks.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Figure 1. CDC Mask Recommendations <\/strong>(from <a href=\"https:\/\/www.cdc.gov\/coronavirus\/2019-ncov\/prevent-getting-sick\/cloth-face-cover-guidance.html\">CDC<\/a>)<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"723\" height=\"566\" src=\"https:\/\/i0.wp.com\/covidqanda.org\/wp-content\/uploads\/2021\/02\/image.png?resize=723%2C566&#038;ssl=1\" alt=\"\" class=\"wp-image-1096\" srcset=\"https:\/\/i0.wp.com\/covidqanda.org\/wp-content\/uploads\/2021\/02\/image.png?resize=1024%2C801&amp;ssl=1 1024w, https:\/\/i0.wp.com\/covidqanda.org\/wp-content\/uploads\/2021\/02\/image.png?resize=300%2C235&amp;ssl=1 300w, https:\/\/i0.wp.com\/covidqanda.org\/wp-content\/uploads\/2021\/02\/image.png?resize=768%2C600&amp;ssl=1 768w, https:\/\/i0.wp.com\/covidqanda.org\/wp-content\/uploads\/2021\/02\/image.png?resize=1536%2C1201&amp;ssl=1 1536w, https:\/\/i0.wp.com\/covidqanda.org\/wp-content\/uploads\/2021\/02\/image.png?w=1613&amp;ssl=1 1613w, https:\/\/i0.wp.com\/covidqanda.org\/wp-content\/uploads\/2021\/02\/image.png?w=1446&amp;ssl=1 1446w\" sizes=\"auto, (max-width: 723px) 100vw, 723px\" \/><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>Question:\u00a0Is inserting a PM2.5 filter into a cotton or silk mask\u2019s filter pocket as protective as double masking? Answer:\u00a0 Yes, based on what we currently know, adding PM2.5 filters is as protective as double masking.\u00a0 Returning to the Q&amp;A of 1\/26\u00a0on double masking, wearing a three-layer mask that has &#8220;outer layers consisting of a flexible, [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":1096,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"nf_dc_page":"","om_disable_all_campaigns":false,"_monsterinsights_skip_tracking":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_post_was_ever_published":false},"categories":[50,100],"tags":[],"class_list":["post-1095","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-guidelines","category-masks","fallback-thumbnail"],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"https:\/\/i0.wp.com\/covidqanda.org\/wp-content\/uploads\/2021\/02\/image.png?fit=1613%2C1261&ssl=1","_links":{"self":[{"href":"https:\/\/covidqanda.org\/index.php?rest_route=\/wp\/v2\/posts\/1095","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/covidqanda.org\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/covidqanda.org\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/covidqanda.org\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/covidqanda.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1095"}],"version-history":[{"count":1,"href":"https:\/\/covidqanda.org\/index.php?rest_route=\/wp\/v2\/posts\/1095\/revisions"}],"predecessor-version":[{"id":1097,"href":"https:\/\/covidqanda.org\/index.php?rest_route=\/wp\/v2\/posts\/1095\/revisions\/1097"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/covidqanda.org\/index.php?rest_route=\/wp\/v2\/media\/1096"}],"wp:attachment":[{"href":"https:\/\/covidqanda.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1095"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/covidqanda.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1095"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/covidqanda.org\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1095"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}