&quot;Come on, the article referred &quot;you could get sick just by standing in the street&quot; - if that&#x27;s not hyperbole, I don&#x27;t know what that is.&quot;<p>Actually, that&#x27;s understatement.  You don&#x27;t even need to be standing in the street.<p>Air circulates everywhere, both indoor and out.  Sure, you can try and seal your windows, and run air purifiers in your home.  But what about when you&#x27;re at work, or at a restaurant, or any other non-home place?