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Disease Reporting

Public Health relies on medical providers, school officials and the public to notify us when they encounter cases or suspected cases of certain diseases or conditions.

Public Health Nurses (PHNs) investigate reported diseases and, as appropriate, involve epidemiologists, environmental health specialists, the public health laboratory, or the health officer in their investigations.

The state of California requires doctors, surgeons, nurses, practitioners, coroners, dentists, veterinarians, administrators of health facilities and clinics to report cases or suspected cases of certain diseases and conditions to the local health department. Anyone in charge of public or private schools or preschools also must report cases or suspected cases of these diseases.

Download Forms

The three Confidential Morbidity Report (CMR) forms listed are used to report most reportable diseases and conditions.

CDPH 110A (PDF: 2 Mb)
For reporting all conditions except TB and conditions reportable to DMV.

CDPH 110B (PDF: 1.9 Mb)
For reporting TB.

CDPH 110C (PDF: 1.9 Mb)
For reporting lapses of consciousness or control, Alzheimer's disease or other conditions which may impair the ability to operate a motor vehicle safely.

Report to:

Health Officer
County of Sonoma
Department of Health Services
625 5th Street
Santa Rosa, CA 95404
Phone: (707) 565-4567
Fax:  (707) 565-4565

Reportable Diseases and Conditions

Legend

Report immediately by telephone.Report immediately by telephone.
Report immediately by telephone when two or more cases or suspected cases of foodborne disease from separate households are suspected to have the same source of illness.Report immediately by telephone when two or more cases or suspected cases of foodborne disease from separate households are suspected to have the same source of illness.
Report by fax, telephone, or mail within one working day of identification.Report by FAX, telephone, or mail within one working day of identification.

All other diseases/conditions should be reported by electronic transmission (including FAX), telephone, or mail within seven calendar days of identification.

Report by fax, telephone, or mail within one working day of identification.Amebiasis
Anaplasmosis
Report immediately by telephone.Anthrax, human or animal
Report by fax, telephone, or mail within one working day of identification.Babesiosis
Report immediately by telephone.Botulism (Infant, Foodborne, Wound, Other)
Report immediately by telephone.Brucellosis, animal (except infections due to Brucella canis)
Report immediately by telephone.Brucellosis, human
Report by fax, telephone, or mail within one working day of identification.Campylobacteriosis
Chancroid
Report by fax, telephone, or mail within one working day of identification.Chickenpox (Varicella) (outbreaks, hospitalizations and deaths)
Chlamydia trachomatis infections, including Lymphogranuloma Venereum (LGV)
Report by fax, telephone, or mail within one working day of identification.Chikungunya Virus Infection
Report immediately by telephone.Cholera
Report immediately by telephone.Ciguatera Fish Poisoning
Coccidioidomycosis
Report by fax, telephone, or mail within one working day of identification.Colorado Tick Fever
Creutzfeldt-Jakob Disease (CJD) and other Transmissible Spongiform Encephalopathies (TSE)
Report by fax, telephone, or mail within one working day of identification.Cryptosporidiosis
Cyclosporiasis
Cysticercosis or Taeniasis
Report immediately by telephone.Dengue Virus Infection
Report immediately by telephone.Diptheria
Report immediately by telephone.Domoic Acid Poisoning (Amnesic Shellfish Poisoning)
Ehrlichiosis
Report by fax, telephone, or mail within one working day of identification.Encephalitis, Specify Etiology: Viral, Bacterial, Fungal, Parasitic
Report immediately by telephone.Escherichia coli shiga toxin producing (STEC) including E. coli O157
Report immediately by telephone.Flavivirus infection of undetermined species
Report immediately by telephone when two or more cases or suspected cases of foodborne disease from separate households are suspected to have the same source of illness.Report by fax, telephone, or mail within one working day of identification.Foodborne Disease
Giardiasis
Gonococcal Infections
Report by fax, telephone, or mail within one working day of identification.Haemophilus influenzae, invasive disease, all serotypes (report an incident of less than five years of age)
Report by fax, telephone, or mail within one working day of identification.Hantavirus Infections
Report immediately by telephone.Hemolytic Uremic Syndrome
Report by fax, telephone, or mail within one working day of identification.Hepatitis A, acute infection
Hepatitis B (specify acute case or chronic)
Hepatitis C (specify acute case or chronic)
Hepatitis D (Delta) (specify acute case or chronic)
Hepatitis E, acute infection
Human Immunodeficiency Virus (HIV) Infection, stage 3 (AIDS)
Report immediately by telephone.Human Immunodeficiency Virus (HIV), Acute Infection
Influenza, deaths in laboratory-confirmed cases for age 0-64 years
Report immediately by telephone.Influenza, novel strains (human)
Legionellosis
Leprosy (Hansen Disease)
Leptospirosis
Report by fax, telephone, or mail within one working day of identification.Listeriosis
Lyme Disease
Report by fax, telephone, or mail within one working day of identification.Malaria
Report by fax, telephone, or mail within one working day of identification.Measles (Rubeola)
Report by fax, telephone, or mail within one working day of identification.Meningitis, Specify Etiology: Viral, Bacterial, Fungal, Parasitic
Report immediately by telephone.Meningococcal Infections
Mumps
Report immediately by telephone.Novel Virus Infection with Pandemic Potential
Report immediately by telephone.Paralytic Shellfish Poisoning
Report by fax, telephone, or mail within one working day of identification.Pertussis (Whooping Cough)
Report immediately by telephone.Plague, Human or Animal
Report by fax, telephone, or mail within one working day of identification.Poliovirus Infection
Report by fax, telephone, or mail within one working day of identification.Psittacosis
Report by fax, telephone, or mail within one working day of identification.Q Fever
Report immediately by telephone.Rabies, Human or Animal
Report by fax, telephone, or mail within one working day of identification.Relapsing Fever
Respiratory Syncytial Virus (only report a death in a patient less than five years of age)
Rickettsial Diseases (non-Rocky mountain Spotted Fever), including Typhus and Typhus-like illnesses
Rocky Mountain Spotted Fever
Rubella (German Measles)
Rubella Syndrome, Congenital
Report by fax, telephone, or mail within one working day of identification.Salmonellosis (Other than Typhoid Fever)
Report immediately by telephone.Scombroid Fish Poisoning
Report immediately by telephone.Shiga toxin (detected in feces)
Report by fax, telephone, or mail within one working day of identification.Shigellosis
Report immediately by telephone.Smallpox (Variola)
Report by fax, telephone, or mail within one working day of identification.Streptococcal Infections (Outbreaks of Any Type and Individual Cases in Food Handlers and Dairy Workers Only)
Report by fax, telephone, or mail within one working day of identification.Syphilis
Tetanus
Report by fax, telephone, or mail within one working day of identification.Trichinosis
Report by fax, telephone, or mail within one working day of identification.Tuberculosis
Tularemia, animal
Report immediately by telephone.Tularemia, human
Report by fax, telephone, or mail within one working day of identification.Typhoid Fever, Cases and Carriers
Report by fax, telephone, or mail within one working day of identification.Vibrio Infections
Report immediately by telephone.Viral Hemorrhagic Fevers, human or animal (e.g. Crimean-Congo, Ebola, Lassa, and Marburg viruses)
Report by fax, telephone, or mail within one working day of identification.West Nile Virus (WNV) Infection
Report immediately by telephone.Yellow Fever
Report by fax, telephone, or mail within one working day of identification.Yersiniosis
Report immediately by telephone.Zika Virus Infection
Report immediately by telephone.Occurrence of Any Unusual Disease
Report immediately by telephone.Outbreaks of Any Disease (Including diseases not listed in §2500). Specify if institutional and/or open community.

Contact Information

Disease Control Unit

Public Health Division

Health Services

Contact us by Phone
Address

Public Health Division

625 5th Street

Santa Rosa, CA 95404
38.4417842, -122.7158781

Ask a Disease Control Nurse

Get answers to questions you may have about communicable diseases.

Ask a Disease Control Nurse

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