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I don't think the east coast escapes, they got slammed this year by Canadian wildfire smoke IIRC.
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Infectious particles? In most of USA and Canada? I don't believe you.
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I'm talking about smoke, I don't even know what an "infectious particle" is.
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Me neither, and that's why I asked, but it apparently offended the HN commentariat.
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Yes, there are viruses in USA & Canada.
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