On Fri, 15 May 2020 17:52:59 -0400, "Mr. Luddite"
wrote:

I still don't understand the purpose if you can test negative
today, stop at a store or something on the way home, and test
positive tomorrow.

===

I don't think it's clear how long it takes after exposure before you
become communicable. Obviously it's helpful for everyone if people
who have become infected start to self quarentine, and the sooner the
better.

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