California Code, Penal Code - PEN § 7554

(a) The purpose of this section is to establish the extent of peace officers' occupational exposure for HIV infection.

(b) The correctional, custodial, or law enforcement agency to which this title applies or the chief medical officer of a correctional, custodial, or law enforcement agency to which this title applies shall report each reportable incident involving a law enforcement employee under this title together with the disposition of each case to the State Department of Health Services.

The report shall include all of the following:  the assignment of the law enforcement employee;  the type of incident;  the type of injury sustained;  the treatment rendered to the injured employee;  citations to criminal laws which were allegedly violated;  and the identity of the employing agency.  Under no circumstances shall the identity of the law enforcement employee or the source person be transmitted by the local law enforcement agency or the chief medical officer of the local agency to the State Department of Health Services.

(c) The State Department of Health Services shall release the data, upon written request, to any law enforcement agency or to any bona fide, nonprofit law enforcement research body primarily concerned with peace officer health issues, provided that the identity of any law enforcement employee, any person who is the subject of a report, or any tested person under this title shall remain anonymous.  Any unauthorized release of information leading to the identity of a person whose identity is protected under this section shall constitute a misdemeanor.

(d) For purposes of this section, a “reportable incident” means an incident described in subdivision (a) of Section 7510.  A “source person” means a person whose bodily fluids are believed to have contacted the bodily fluids of a law enforcement employee as described in subdivision (a) of Section 7510.