Coronavirus update: What's open, what's closed and what's next.

<p>In preparation for a potential boom in coronavirus infections, much of San Diego slowed down to a snail’s pace. Thousands of workers telecommuted, and plans for how to mitigate the damage were revealed in Washington. With the announcement that San Diego Unified -- and most San Diego schools -- would send students home -- the real social and economic impacts of this massive social change remain unknown.</p>