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List of Reportable Diseases


There are more than 85 reportable diseases and conditions in Contra Costa County, and cases or suspected cases are required to be reported to Contra Costa Public Health. Some diseases must be reported immediately (within one hour) by phone, while other conditions don't have to be reported for 7 calendar days from the time of identification.

´╗┐Physicians who need to report a suspected public health emergency should contact the Public Health division immediately at 925-313-6740; or after hours, call the sheriff's dispatch at 925-646-2441 and ask for the Health Officer On Call.For more details on reporting requirements and options, please visit our "Report a Disease" page.

If you would like to download the list of reportable diseases, a one-page PDF is available here.


Urgency Reporting Requirements

    = Report immediately by telephone.
      = Report immediately by telephone when two or more cases or suspected cases of foodborne desease seperate households are suspected to have the same source of illness.
  = Report by electronic transmission (including FAX), telephone, or mail within one working day of identification.
        = All other disease/conditions should be reported by electronic transmission (including FAX), telephone, or mail within seven calendar days of identification.

Communicable Diseases

        Acquired Immune Deficiency Syndrome (AIDS)
(HIV infection only: see "Human Immunodeficiency Virus")
  Amebiasis
        Anaplasmosis/Ehrlichiosis
    Anthrax, human or animal
  Babesiosis
    Botulism (Infant, Foodborne, Wound, Other)
        Brucellosis, animal (except infections due to Brucella Canis)
    Brucellosis, human
  Campylobacteriosis
        Chancroid
  Chickenpox (Varicella) (outbreaks, hospitalizations and deaths)
  Chikungunya Virus Infection
        Chlamydia trachomatis infections, including Lymphogranuloma venereum (LGV)
    Cholera
    Ciguatera Fish Poisoning
        Coccidioidomycosis
        Creutzfeldt-Jakob Disease (CJD) and other transmissible spongiform encephalopathies (TSE)
  Cryptosporidiosis
        Cyclosporiasis
        Cysticercosis or Taeniasis
    Dengue
    Diphtheria
    Domoic Acid Poisoning (Amnesic Shellfish Poisoning)
        Ehrlichiosis
  Encephalitis, Specify Etiology: Viral, Bacterial, Fungal, Parasitic
    Escherichia coli: shiga toxin producing (STEC) including E.coli O157
Foodborne Disease
        Giardiasis
        Gonococcal Infection
  Haemophilus influenzae, invasive disease, all serotypes (report an incident of less than 5 years of age)
    Hantavirus Infections
    Hemolytic Uremic Syndrome
  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
        Influenza, deaths in laboratory-confirmed cases for age 0-64 years
        Influenza, novel strains (human)
        Legionellosis
        Leprosy (Hansen Disease)
        Leptospirosis
  Listeriosis
        Lyme Disease
  Malaria
    Measles (Rubeola)
  Meningitis, Specify Etiology: Viral, Bacterial, Fungal, Parasitic
    Meningococcal Infections
        Mumps
    Novel Virus Infection with Pandemic Potential
    Paralytic Shellfish Poisoning
        Pelvic Inflammatory Disease (PID)
  Pertussis (Whooping Cough)
    Plague, human or animal
  Poliovirus Infection
  Psittacosis
  Q Fever
    Rabies, human or animal
  Relapsing Fever
        Respiratory Syncytial Virus (only report a death in a patient less than 5 years of age)
        Rickettsial Diseases (non-Rocky Mountain Spotted Fever), including Typhus and Typhus-like Illness
        Rocky Mountain Spotted Fever
        Rubella (German Measles)
        Rubella Syndrome, Congenital
  Salmonellosis (Other than Typhoid Fever)
    Scombroid Fish Poisoning
    Shiga toxin (detected in feces)
  Shigellosis
    Smallpox (Variola)
  Streptococcal Infections (Outbreaks of Any Type and Individual Cases in Food Handlers and Dairy Workers Only)
  Syphilis
        Tetanus
  Trichinosis
  Tuberculosis
        Tularemia, animal
    Tularemia, human
  Typhoid Fever, Cases and Carriers
  Vibrio Infections
    Viral Hemorrhagic Fevers, human or animal (e.g. Crimean-Congo, Ebola, Lassa and Marburg viruses)
  West Nile Virus (WNV) Infection
    Yellow Fever
  Yersiniosis
    Zika Virus Infection
    OCCURRENCE of ANY UNUSUAL DISEASE
    OUTBREAK of ANY DISEASE (Including diseases not listed in § 2500).
Specify if institutional and/or open community.

HIV REPORTING BY HEALTH CARE PROVIDERS

Human Immunodeficiency Virus (HIV) infection is reportable by traceable mail or person-to-person transfer within seven calendar days by completion of the HIV/AIDS Case Report form (CDPH 8641A) available from the local health department. For completing HIV-specific reporting requirements, see Title 17, CCR, § 2641.5-2643.20 and http://cdph.ca.gov/programs/aids/Pages/OAHIVReporting.aspx


REPORTABLE NONCOMMUNICABLE DISEASES AND CONDITIONS

Disorders Characterized by Lapses of Conciousness.
Pesticide-related illness or injury (known or suspected cases)**
Cancer, including benign and borderline brain tumors (except (1) basal and squamous skin cancer unless occurring in genitalia, and (2) carcinoma in-situ and CIN III of the Cervix)***


* This form is designed for health care providers to report those diseases mandated by Title 17, California Code of Regulations (CCR). Failure to report is a misdemeanor (Health and Safety Code § 120295) and is a citable offense under the Medical Board of California Citation and Fine Program (Title 16, CCR, § 1364.10 and 1364.11).
** Failure to report is a citable offense and subject to civil penalty ($250) (Health and Safety Code § 105200).
*** The Confidential Physician Cancer Reporting Form may also be used. See Physician Reporting Requirements for Cancer Reporting in CA at: www.ccrcal.org



See more information designed specifically for health care providers.