San Francisco is allowed to open much of its economy. How it kept COVID cases and deaths low

August Hall in San Francisco displays the sign: “ Stay safe, stay healthy, wear a mask, save a life, we miss you.” Photo by Raymond Ahner/The Photo Access/Cover Images

Businesses in much of California aren’t allowed to reopen because of COVID-19 cases. One exception: San Francisco. For a city of nearly 900,000, it’s only had 145 deaths because of coronavirus. So how did San Francisco keep the numbers relatively low?