<div dir="ltr"><div dir="ltr"><div class="gmail_default" style="font-family:georgia,serif"><br></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Sun, Dec 26, 2021 at 8:09 PM David Kramer <<a href="mailto:david@thekramers.net">david@thekramers.net</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
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<p>I just flew to DC and back for the World Science Fiction
convention, and at least American was not allowing any masks with
ports on them.<br>
</p></div></blockquote></div><div style="font-family:georgia,serif" class="gmail_default">Good!<br></div><div style="font-family:georgia,serif" class="gmail_default">Masks with Ports are for HAZMAT protection of the wearer.<br><br></div><div style="font-family:georgia,serif" class="gmail_default">The point of masks in <i>this </i>pandemic is bilateral: <br>protecting the wearer from others <br>and others from wearer, <br>who may be unwittingly shedding virus in pre-symptomatic phase<br>... or even wittingly walking around contagious because employer says "don't tell anyone and do your shift or your sacked".<br></div><div style="font-family:georgia,serif" class="gmail_default"><br>Using those vented masks in a pandemic is saying "I don't care if I infect you, i only care about me."</div><div style="font-family:georgia,serif" class="gmail_default"><br></div><div style="font-family:georgia,serif" class="gmail_default">(Vented masks <u>may</u> be acceptable in a clinical environment if e.g. they're testing people every 4 hours?)<br></div><div style="font-family:georgia,serif" class="gmail_default">(Vented unilaterally filtered respirators can be used in Ebola epidemics' PPE because the doctors were obviously not contagious since they were capable of standing. But not COVID-19/SARS-COV-2, which has virus shedding <i>prior</i> to symptom onset.)<br></div><br></div>