California Code, Health and Safety Code - HSC § 1288.7

(a) Annually offer onsite influenza vaccinations, if available, to all hospital employees at no cost to the employee. Each general acute care hospital shall require its employees to be vaccinated, or if the employee elects not to be vaccinated, to declare in writing that he or she has declined the vaccination.

(b) Institute respiratory hygiene and cough etiquette protocols, develop and implement procedures for the isolation of patients with influenza, and adopt a seasonal influenza plan.

(c) Revise an existing or develop a new disaster plan that includes a pandemic influenza component. The plan shall also document any actual or recommended collaboration with local, regional, and state public health agencies or officials in the event of an influenza pandemic.