[dennisw]

I am pretty sure that UVC light arrays inside the hotels and casinos HVAC systems will sterilize the air enough to make everyone happy. An expensive retrofit but doable.

At ebay https://www.ebay.com/sch/i.html?_from=R40&_trksid=p2380057.m570.l1313.TR12.TRC2.A0.H0.Xuvc.TRS0&_nkw=uvc&_sacat=0

and

https://news.yahoo.com/ultraviolet-light-can-be-used-against-coronavirus-just-not-in-the-way-trump-imagines-090000567.html

[brianr10]

I was brainstorming a while back and thought that could do th same for salad bars.