City of Berkeley Releases Update to COVID-19 Isolation Protocols July 31, 2020 General COVID-19, Public Health The City of Berkeley released a Health Alert regarding an update to the Centers of Disease Control and Prevention (CDC)'s clinical guidance on the discontinuation of isolation of individuals with COVID-19 in non-healthcare settings. The guidance recommends returning to work based on symptoms, such as resolution of fever, rather than a test-based strategy to determine when to discontinue home isolation.