Good topic. Long time demand is the great unanswered question. The talking heads in the media all say this will be around for years. As of now, you can not get any vaccine that is 100% effective. They have been trying to get that for the flu and you get maybe 50 to 70% effectiveness. And this strain will also mutate. The Chinese are already working on Covis 20. If you have a good place for one and advertise you should be able to make a nice profit. At my wash the city, in their infinite wisdom, placed a lighted traffic sign telling drivers their testing site, which is behind my wash, is open. I will be placing one of these units right out front by the sign. And the unit from fragramatics is not just a fragrance machine with a different label. The pump is bigger and it uses a bigger air compressor to get a much finer mist.