San Francisco Chronicle: SF begins offering free coronavirus tests to all essential workers

San Francisco Chronicle: SF begins offering free coronavirus tests to all essential workers. “San Francisco officials have started making COVID-19 tests available to all essential workers still on the job during the coronavirus pandemic, thanks to a significant expansion in testing capacity…. any essential worker in the public or private sector — from frontline health care workers to grocery store clerks and restaurant cooks — will have access to a COVID-19 test if they exhibit symptoms of the disease, like a fever, cough or shortness of breath.”