Testing in the MissionThe Mission testing project, spearheaded by Unidos en Salud — a collaboration between the Latino Task Force for COVID-19, UCSF, and the San Francisco Department of Public Health — offered both coronavirus PCR tests and antibody tests to all residents and workers in a selected census tract.
Testing was done at pop-up sites at parks and schools over four days in late April, six weeks after the city's shelter-in-place order went into effect. "This is one of the first mass testing campaigns to do both PCR and antibody testing," study co-investigator Dr.