County of Marin Health and Human Services

Communicable Disease Prevention and Control

Information on Service Adjustments During the COVID-19 Emergency

HHS is the County's largest department with more than 700 employees who work at many sites throughout Marin. Many HHS offices have reopened with limited staffing to the public. Staff will continue to provide services remotely when possible for safety reasons, and residents in need of HHS services should consider conducting conversations over the phone or email when possible. Please call ahead if you have an appointment or require in-person assistance.

  • Adult Protective Services: (415) 473-2774.
  • Skilled Nursing/Assisted Living Ombudsman: (415) 473-7446.
  • Child Protective Services: (415) 473-7153.
  • Public Assistance Call Center (Medi-Cal, CalFresh, CalWorks): 1 (877) 410-8817, or visit
  • General Relief: (415) 473-3450.
  • Behavioral Health and Recovery Services Access Line: 1 (888) 818-1115.
  • For information on resources and services specifically for older adults (persons 60+), persons with disabilities and family caregivers, call (415) 473-INFO (415) 473-4636 or email
  • HHS created a phone hotline, (415) 473-7191 (CRS 711), and an online contact form, for residents to contact staff with questions or concerns about the virus and about the county and community response. The call center is open from 9:30 a.m. to noon and 1 to 5 p.m. weekdays, and interpreter services are available.
  • Dial 711 for CA Relay Service (link is external)

Norovirus Season

Norovirus season typically begins in October and extends thru the spring.  Schools, childcare centers and long-term care facilities are required to report suspected norovirus outbreaks.  The Communicable Disease and Prevention Control (CDPC) unit is providing the resources below to help prevent the spread of norovirus illness in our community.

Norovirus Toolkit for Schools and Childcare Centers

Recommendations for the Prevention and Control of Viral Gastroenteritis Outbreaks in California Long-Term Care Facilities

Norovirus/Viral Gastroenteritis Control Recommendations for Evacuation Centers/Shelters 

The Communicable Disease Prevention and Control Unit (CDPC) unit is responsible for the investigation of communicable diseases and surveillance of reportable diseases.

Web-based Confidential Morbidity Reports (CMR) for health care providers are now available.

Urgent Reports 24/7 
During business hours: Mon - Fri, 9 am - 5 pm ->  Call (415) 473-4163
After hours: Call Health Officer On Duty ->(415) 499-7237

Non-urgent Reports
HIV Reporting (415) 473-6722

Tuberculosis Reporting:

Health care providers must complete a confidential online report for all suspect and active tuberculosis cases among Marin County residents. Please do not wait for laboratory confirmation before reporting.  For more information visit our TB page for Health Care Providers.

Fax Numbers for Reporting:

  • Communicable Diseases, including TB and STDs (415) 473-6002 *see specifics below
  • HIV (415) 473-2372 (Use form: CDPH 8641 A)

Confidential Morbidity Report (CMR) downloadable forms (updated 2016)

CMR 110 A Use this form for reporting ALL conditions except tuberculosis and conditions reportable to the DMV.
CMR 110 B Use this form only for reporting tuberculosis.
CMR 110 C Use this form for reporting lapses of consciousness or control, Alzheimer's disease, or other conditions which may impair the ability to operate a motor vehicle safely (pursuant to H&S 103900).
CMR 85721 Use this form to report conditions in animals.
Title 17 Reportable Diseases and Conditions Use this complete list as a reference for all the Reportable Diseases and Conditions (Updated 2020)


Deputy Health Officer · Lisa Santora MD, MPH
(415) 473-4163,

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