skua<p><span class="h-card" translate="no"><a href="https://mas.to/@outer" class="u-url mention" rel="nofollow noopener" target="_blank">@<span>outer</span></a></span> <br>I think we're seeing this in action around the use of filters worn over the open ends of the human respiratory system.</p><p>The health care clinic I attended yesterday had all staff using filters. But not of the sort consistent with the physics and engineering of filtering airborne particles.</p><p>Two doors up from an <a href="https://mastodon.social/tags/AgedCareFacility" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>AgedCareFacility</span></a>.<br>With sharply rising levels of highly infectious airborne particles reasonably concluded from data showing increasing infection numbers.</p><p><a href="https://mastodon.social/tags/CochraneReview" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>CochraneReview</span></a></p>