Around. It is incredibly difficult, but important. The Contact Tracing is something that were launching. San Francisco Mayor london breed says her city is preparing to expand the way it treats the interactions of people with covid19. And those who may have been exposed in recent days. Allow people to keep track of their symptoms and to check in with people who are monitoring their conditions, and also determine whether or not they should or should not be tested. The process involves a lot of man power and technology to get it started, the Health Department is partnering with ucsf and tapping into librarians and Research Fellows and the goal is to identify every at risk and quarantine them before it can spread to others. If we really get a handle on this epidemic, we need to look at contacts, and so they can stay in quarantine for the 14 days. Faster response to new cases, means slower spread, and fewer cases over time. In order for us to even approach a point where we can move away fro