No quarantine shall be raised until every exposed room, together with all personal property in the room, has been adequately treated, or, if necessary, destroyed, under the direction of the health officer; and until all persons having been under strict isolation are considered noninfectious.
Source:
Section 120235, https://leginfo.legislature.ca.gov/faces/codes_displaySection.xhtml?lawCode=HSC§ionNum=120235..