California’s coronavirus response must be guided by the data

The novel coronavirus has spread in the United States since early March, igniting epidemics in some major cities like New York City, New Orleans and Detroit.  Many of the outbreaks have increased rapidly, peaked, and some have now declined. Despite the worst fears, the virus has not spread broadly in the general population.
As of April 10, there have been about 475,000 cases and 17,000 deaths reported in the country.  In California, there have been about 20,000 cases and 550 deaths, eq