(a) During an outbreak of a communicable disease, or upon the imminent and proximate threat of a communicable disease outbreak or epidemic that threatens the public’s health, a local health officer shall do both of the following:

1. (1) Promptly notify and update governmental entities within the local health officer’s jurisdiction about communicable diseases listed in Section 2500 of Title 17 of the California Code of Regulations that may affect them, if, in the opinion of the local health officer, action or inaction on the part of the governmental entity might affect outbreak response efforts.
2. (2) Make any relevant information available to governmental entities, including, but not limited to, the locations of concentrations of cases, the number of residents affected, and the measures that the governmental entities should take to assist with outbreak response efforts.