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encom | on: Air Purifiers as White Noise Machines
Infectious particles? In most of USA and Canada? I don't believe you.
grandpajoey | parent | next
I'm talking about smoke, I don't even know what an "infectious particle" is.
encom | root | parent
Me neither, and that's why I asked, but it apparently offended the HN commentariat.
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fwip | parent
Yes, there are viruses in USA & Canada.