https://www.mercurynews.com/2020/04/04/coronavirus-new-study-reveals-the-data-that-helped-lock-down-the-bay-area/

A unique, early coronavirus testing program in Santa Clara County helped officials recognize the crisis and respond with the country’s first shelter-in-place order, according to a new report, from the Centers for Disease Control and Prevention.

But just as experts say it highlights the importance of early and widespread testing, the study also underscores how the state comes up short in its testing capacity.