Unfortunately, I don’t think there has been research here.
Hopefully since the start of COVID (it is not over) any new builds or upgrades will include fresh air and filters. This is already done for large gatherings of national leaders so the tech is available.
Unfortunately, I don’t think there has been research here.
Hopefully since the start of COVID (it is not over) any new builds or upgrades will include fresh air and filters. This is already done for large gatherings of national leaders so the tech is available.