The following information is taking from Chapter 46, page 18, of the COVID-19 Prevention Program
The Lab follows CDC quarantine guidance for domestic and international travel as outlined below. Quarantine requirements are based on vaccination status. Individuals are strongly recommended to delay travel until after they are fully vaccinated. Quarantine is not required if travel remains within the nine Bay Area counties.
Lab workers returning from personal travel are expected to follow the business travel quarantine requirements depending on their vaccination status.