UCSF strongly recommends completing an Antigen COVID-19 test within the last 12 hours if it has been less than 10 days after traveling internationally, regardless of pre-travel testing.
UCSF also strongly recommends completing an Antigen COVID-19 test on days 3 – 5 after the first test if still coming onto campus.
DO NOT ENTER UCSF Facilities if you have a positive COVID test in the last 10 days.