The Los Angeles County Department of Public Health (DPH) maintains this health professionals' website to facilitate easy access to public health resources including information on how to report communicable diseases and how to consult DPH specialists. All comments and suggestions on how to improve this website are welcome.

LA HAN - Los Angeles Health Alert Network

Los Angeles Health Alert Network (LAHAN)

  • Subscribe to receive important public health information for LA health care professionals.
  • Visit the LAHAN webpage to see all Health Alerts, Advisories, and Updates on topics such as communicable disease outbreaks, emerging infectious diseases, immunizations, and drug shortages and recalls.

Public Health Rx for Prevention

Public Health’s Rx for Prevention

  • A digital publication for clinicians published online six times a year with free CME. Articles provide clear steps to apply to clinical practice or to action at the community or policy level.
  • View the publication and subscribe to ensure delivery of Rx for Prevention to your email inbox.

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Mandatory Reporting

  • California law mandates that health care providers report over 85 diseases or conditions (including animal bites to humans) to their local health department.
  • This page summarizes how professionals can report by disease or condition (including animal bites) and includes links to reporting forms and phone numbers. Use this form to report infectious diseases (except HIV, STD, TB).

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  • Phone consultation is available for health care providers weekdays 8:00 am-5:00 pm for all communicable diseases including TB and STD, veterinary public health, and public health laboratory questions.
  • During non-business hours (evenings, weekends and holidays) call 213-974-1234 and ask for the physician on call.

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DPH Sponsored Continuing Medical Education

  • Learn at a time that suits your schedule – view a webinar or read an article - and earn free CME.
  • Visit the CME webpage to learn more about the topics covered: Zika, tuberculosis, HIV pre-exposure prophylaxis, pertussis, and mumps.