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
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= Report immediately by telephone. | ||
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= 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. | |||
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= 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") |
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Amebiasis | |
| Anaplasmosis/Ehrlichiosis | ||||
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Anthrax, human or animal | ||
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Babesiosis | |
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Botulism (Infant, Foodborne, Wound, Other) | ||
| Brucellosis, animal (except infections due to Brucella Canis) | ||||
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Brucellosis, human | ||
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Campylobacteriosis | |
| Chancroid | ||||
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Chickenpox (Varicella) (only hospitalizations and deaths) | |
| Chlamydia trachomatis infections, including Lymphogranuloma venereum (LGV) | ||||
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Cholera | ||
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Ciguatera Fish Poisoning | ||
| Coccidioidomycosis | ||||
| Creutzfeldt-Jakob Disease (CJD) and other transmissible spongiform encephalopathies (TSE) | ||||
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Cryptosporidiosis | |
| Cyclosporiasis | ||||
| Cysticercosis or Taeniasis | ||||
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Dengue | ||
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Diphtheria | ||
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Domoic Acid Poisoning (Amnesic Shellfish Poisoning) | ||
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Encephalitis, Specify Etiology: Viral, Bacterial, Fungal, Parasitic | |
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Escherichia coli: shiga toxin producing (STEC) including E.coli O157 | ||
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Foodborne Disease |
| Giardiasis | ||||
| Gonococcal Infection | ||||
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Haemophilus influenzae, invasive disease (report an incident of less than 15 years of age) | |
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Hantavirus Infections | ||
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Hemolytic Uremic Syndrome | ||
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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 | ||||
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Listeriosis | |
| Lyme Disease | ||||
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Malaria | |
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Measles (Rubeola) | ||
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Meningitis, Specify Etiology: Viral, Bacterial, Fungal, Parasitic | |
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Meningococcal Infections | ||
| Mumps | ||||
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Paralytic Shellfish Poisoning | ||
| Pelvic Inflammatory Disease (PID) | ||||
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Pertussis (Whooping Cough) | |
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Plague, Human or Animal | ||
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Poliovirus Infection | |
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Psittacosis | |
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Q Fever | |
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Rabies, Human or Animal | ||
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Relapsing Fever | |
| Rickettsial Diseases (non-Rocky Mountain Spotted Fever), including Typhus and Typhus-like Illness | ||||
| Rocky Mountain Spotted Fever | ||||
| Rubella (German Measles) | ||||
| Rubella Syndrome, Congenital | ||||
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Salmonellosis (Other than Typhoid Fever) | |
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Scombroid Fish Poisoning | ||
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Severe Acute Respiratory Syndrome (SARS) | ||
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Shiga toxin (detected in feces) | ||
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Shigellosis | |
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Smallpox (variola) | ||
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Staphylococcus aureus infection (only a case resulting in death or admission to an intensive care unit of a person who has not been hospitalized or had surgery, dialysis or residency in a long-term care facility in the past year, and did not have an indwelling catheter or percutaneous medical device at the time of culture) | |
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Streptococcal Infections (Outbreaks of Any Type and Individual Cases in Food Handlers and Dairy Workers Only) | |
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Syphilis | |
| Tetanus | ||||
| Toxic Shock Syndrome | ||||
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Trichinosis | |
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Tuberculosis | |
| Tularemia, animal | ||||
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Tularemia, human | ||
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Typhoid Fever, Cases and Carriers | |
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Vibrio Infections | |
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Viral Hemorrhagic Fevers, human or animal (e.g. Crimean-Congo, Ebola, Lassa and Marburg viruses) | ||
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West Nile Virus (WNV) Infection | |
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Yellow Fever | ||
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Yersiniosis | |
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OCCURRENCE of ANY UNUSUAL DISEASE | ||
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OUTBRAKES 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)***
** 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




