Unprofessional conduct includes “Prescribing, dispensing or furnishing a prescription medication to a person unless the licensee first conducts a physical examination of that person or has previously established a doctor-patient relationship. This subdivision does not apply to: (iv) Prescriptions written or prescription medications issued for use by a county or tribal public health department for immunization programs, emergency treatment, in response to an infectious disease investigation, public health emergency, infectious disease outbreak or act of bioterrorism.”
Ariz. Rev. Stat. Ann. § 32-1401 (27)(ss)

EPT is permissible.

Statutory authority expressly authorizes EPT for treatment of person believed to have had significant exposure risk with another person who has been diagnosed with a communicable disease by the prescribing or dispensing health professional.