Earlier quoted context omitted.
It is not a stretch. This is why many hospitals require staff to wear an N95 (a hard shell mask—not a surgical mask—in order to prevent as little leakage as possible) underneath a PAPR. PAPRs (with the exception of the CleanSpace Halo if using a special adapter) do not have source control. (I personally use an Optrel e9000x PAPR with an N95 underneath for source control. If not able to use a PAPR such as on an airpla…
> This Dyson device does not have source control, and yes, it is a super-spreader device. By this standard, my unmasked mouth is a super-spreader device. (Of course it is! Most super spreader events occurred without the assistance of any particular technology except perhaps walls and a ceiling. Sometimes technology is involved. For example, COVID pretty clearly spreads through inadequately filtered HVAC systems, but…
As for the inflatable costumes incident there was contact tracing in effect in California when this happened. This was in a Californian hospital and no other incident like this happened before. This was due to the aerosolizing of the costume wearer’s COVID-19 infected breath.