Ask a microbiologist if they think microbes and virus are in the air. All will say yes. The air has always been a means of transportation of biology. It is often a means of infection too. The CDC have focused on a six-foot rule which is bogus. Let’s take a look at the most recent studies that debunk the 6 foot rule.
https://papers.ssrn.com/sol3/papers.cfm?abstract_id=3829873
https://jamanetwork.com/journals/jama/fullarticle/2763852
There are two primary methods of cleaning the air, dilution and filtration. Both are effective and work extremely well. It is time to listen to the full scientific community in problem solving even if it is medical.
https://www.thelancet.com/journals/lancet/article/PIIS0140-6736(21)00869-2/fulltext
What is clear is mistakes have been made and our concern is we will learn the wrong lessons from this event.