Ann: Trading Halt, page-13

Looks like some government departments may have already acted on the need for improving air quality in quarantine hotels.

Units to be provided by Samsung. Article dated 2 June - the day before the PO3 announcement. I can't find any other references to this on the old interweb...but haven't looked too hard either.

PO3 may have better tech - who knows (and I'm going nowhere near that debate...) - but opportunities can quickly slip by or be exploited by companies with an existing presence.