There has been a reduction in "traffic," but not nearly as
much as I anticipated. This chart is maybe a few days
behind a fast-moving situation, but I find it somehow
comforting that math "goes on." We haven't even yet descended to the annual Christmas lull. 
<hr />
[![Analytics][1]][1]
<hr />
Yes, I know, this is not a question, just a comment. To turn it into a question:

> ***Q***. Is MathOverflow more resilient than other StackExchange sites, or are they all only seeing a similarly 
slight reduction in activity?

*Added* 17Apr2020 at @GeraldEdgar's request, a different and perhaps
more relevant chart:
<hr />
<img src="https://i.sstatic.net/9D9BU.png" width="100" />
<br />
[![17Apr2020][3]][3]
<hr />
An apparent *increase* in activity since mid-March.


  [1]: https://i.sstatic.net/s0TTM.png
  [2]: https://i.sstatic.net/9D9BU.png
  [3]: https://i.sstatic.net/5qdJM.jpg