Posting here since this forum looks like it's the medical forum for all practical purposes. Maybe s/b in the regional forum(s)? Move as you deem correct.
Anyway, looks like something to be aware of in dusty areas of North and South Americas, especially if you're in one of the at-risk groups. Land near or downwind of construction sites (disturbed soil) seems an immediate red flag; Phillipinos, blacks and immune compromised are reported most at risk while next in line is anybody from a population that hasn't lived in the desert for a long time and developed any immunity.
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