Reportable Diseases & Conditions

Our Communicable Disease Team will investigate disease reports as well as provide guidelines for treatment, prophylaxis and infection control.

Healthcare Provider Reportable Diseases

Title 17, California Code of Regulations (CCR) §2500, §2593, §2641.5-2643.20, and §2800-2812 requires that healthcare providers report known or suspected cases of disease or condition, listed below, to the jurisdiction in which the patient resides.  Failure to report is a misdemeanor (Health & 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)

Report Immediately By Phone
During Business hours:  (530) 265-1420        After hours:  (530) 265-7880
Anthrax, human or animal
Foodborne Disease 
(when two or more cases or
suspected cases of foodboorne
disease from separate households
are suspected to have the same
source of illness)
Plague, Human or Animal
Botulism  (Infant, Foodborne, Wound,
Hemolytic Uremic Syndrome
Rabies, Human or Animal
Brucellosis, human Human Immunodeficiency Virus (HIV),
​acute infection
Scombroid Fish Poisoning
Influenza, novel strains (human)
Shiga Toxin (detected in feces)
Ciguatera Fish Poisoning Measles (Rubeola)
Smallpox (Variola)
Meningococcal Infections
Tularemia, human
Domoic Acid Poisoning
​ (Amnesic Shellfish Poisoning)
Middle East Respiratory Syndrome
Viral Hemorrhagic Fevers,
​human or animal (Crimean-Congo,
​Ebola, Lassa and Marburg viruses)
Flavivirus infection of
​undermined species
Novel Virus with Pandemic Potential
Occurrence of ANY Unusual Disease
  Paralytic Shellfish Poisoning
Outbreak of ANY Disease (including
​ diseases not listed in §2500)

Report Within One Working Day
By Phone:  (530) 265-1420     By Fax:  (530) 271-0836
  Hantavirus Infections
Babesiosis Hepatitis A, acute infection
Syphilis (all stages,
​including ​congenital)
Campylobacteriosis Listeriosis Trichinosis

Malaria Tuberculosis (TB)
Chickenpox (Varicella)
(outbreaks, hospitalizations
and deaths)
Meningitis, Specify Etiology:
(Viral, Bacterial, Fungal, Parasitic)
Typhoid Fever,
​Cases and Carriers
Chikungunya Virus Infection Paratyphoid Fever Vibrio Infections
Pertussis (Whooping Cough)
West Nile Virus (WNV) Infection
Dengue Virus Infection Poliovirus infection
Yellow Fever
Encephalitis, Specify Etiology:
(Viral, Bacterial, Fungal, Parasitic)
Psittacosis Yersiniosis
Escherichia coli: shiga toxin producing
​(STEC) including E. coli O157
Q Fever  
Foodborne Disease
Relapsing Fever
Zika Virus Infection
Haemophilus Influenzae, invasive
​disease (only in persons less than
​5 years of age)
Salmonellosis (other than
​Typhoid Fever)
Report By Phone, Fax or Mail Within 7 Calendar Days
By Phone:  (530) 265-1420     By Fax:  (530) 271-0836
Mail:  Nevada County Public Health Dept., Attn: Communicable Disease, 500 Crown Point Circle, Ste. 110, Grass Valley, CA  95945
Anaplasmosis Hepatitis B (specify acute,
​ chronic, or perinatal)
Lyme Disease
Brucellosis, animal
(except infections due to
Brucella canis)
Hepatitis C (specify acute,
​chronic, or perinatal)
Chancroid Hepatitis D (Delta) (specify
​acute case or chronic)
Respiratory Syncytial Virus-
​associated deaths in laboratory-​
​confirmed cases less
​than ​5 years of age
Hepatitis E, acute infection
Rickettsial Diseases (non-Rocky
​Mountain Spotted Fever), including
​Typhus and Typhus-like illnesses
Creutzfeldt-Jacob Disease (CJD) ​
​and other Transmissible Spongiform
​ ​Encephalopathies (TSE)
Human Immunodeficiency Virus (HIV)
​​infection, any stage
Rocky Mountain Spotted Fever
Cyclosporiasis Human Immunodeficiency Virus (HIV)
​​infection, progression to stage 3 (AIDS)
Rubella (German Measles)
Cysticercosis or Taeniasis Influenza-associated deaths in ​
​laboratory-confirmed cases
​less than ​18 years of age
Rubella Syndrome, congenital
Giardiasis Leprosy (Hansen's Disease) Tularemia, animal
Gonococcal Infections