coronavirus April 9, 2020 11:02 pm San Francisco Rolls Out COVID-19 Contact Tracing The San Francisco Department of Public Health is teaming up with UCSF for a wide-ranging COVID-19 study aimed at getting a handle on the coronavirus. Sergio Quintana reports. US & World Videos 6:29 Watch: Nima Momeni's mother reacts to verdict in son's murder trial 8:05 Watch: Bob Lee's brother reacts to verdict in Nima Momeni's trial 3:19 Watch: SF DA Brooke Jenkins reacts to the Momeni verdict 2:34 A closer look: San Francisco vacancy rates 5:45 Watch: San Francisco Mayor London Breed talks crime, 49ers' Ricky Pearsall shooting
