The Eau Claire City-County Health Department works to prevent and control communicable disease in our community. The diseases and conditions listed on this page are considered to have significant public health impact.

If you have any questions or concerns about any of the disease listed on this page, please call the Health Department 8 a.m. - 4:30 p.m., Monday-Friday at 715-839-4718. After Hours Reporting 715-839-4972 or 911.

CATEGORY I
The following diseases are of urgent public health importance and shall be reported IMMEDIATELY by telephone or fax to the patient’s health department upon identification of a case or suspected case.

http://www.dhs.wisconsin.gov/communicable/diseasereporting/index.htm#category1

Any illness caused by an agent that is foreign, exotic, or unusual to Wisconsin, and that has public health implications.
Anthrax Botulism Cholera Diphtheria Foodborne/Waterborne Outbreaks Haemophilus influenza invasive disease Hantavirus Infection Hepatitis A Measles Meningococcal disease Middle Eastern Respiratory Syndrome-associated Coronavirus (MERS-CoV) Mpox Outbreaks, food or waterborne Outbreaks, suspected of other acute or occupationally-related disease	Pertussis (whooping cough) Plague Poliovirus infection Primary Amebic Meningoencephalitis Rabies (human) Ricin toxin Rubella Severe Acute Respiratory Syndrome (SARS) Smallpox Tuberculosis Viral Hemorrhagic Fever Yellow fever

 

CATEGORY II
The following diseases shall be reported electronically through the Wisconsin Electronic Disease Surveillance System (WEDSS), by mail or fax within 72 hours of the recognition of a case or suspected case.

http://www.dhs.wisconsin.gov/communicable/diseasereporting/index.htm#category2

Anaplasmosis  Arboviral disease Babesiosis Blastomycosis Borreliosis Brucellosis Campylobacteriosis Candida auris Carbapenemase-producing carbapenem-resistant Acinetobacter (CP-CRAB) Carbapenemase-producing carbapenem-resistant Pseudomonas aeruginosa CP-CRPA) Carbapenemase-producing carbapenem-resistant Enterobacerales (CP-CRE) Chancroid Chlamydia trachomatis infection Coccidioidomycosis COVID-19 associated hospitalization COVID-19 associated pediatric death Cryptosporidiosis Cyclosporiasis E. coli Ehrlichiosis Environmental and occupational lung diseases: Asbestosis Silicosis Chemical pneumonitis Occupational lung diseases caused by bio-dusts and bio-aerosols Free-living amebae infection  Giardiasis Gonorrhea Hemolytic uremic syndrome Hepatitis B Hepatitis C Hepatitis D Hepatitis E Histoplasmosis Influenza A virus, novel subtypes Influenza-associated hospitalization Influenza-associated pediatric death Kawasaki disease Latent Tuberculosis infection (LTBI) Legionellosis Leprosy (Hansen disease) Leptospirosis Listeriosis Lyme disease Lymphocytic Choriomeningitis Virus infection

Malaria Meningitis, bacterial Mumps Mycobacterial disease-non TB Pelvic inflammatory disease Psittacosis Q Fever Rheumatic Fever Rickettsiosis Rocky Mountain spotted fever RSV-associated hospitalization RSV-associated pediatric death Salmonellosis Shigellosis Streptococcal disease- A or B invasive Streptococcus pneumoniae invasive disease Syphilis Tetanus Toxic Shock Syndrome Toxic substance related diseases: Blue-green algae (Cyanobacteria) and Cyanotoxin poisoning Carbon monoxide poisoning Infant methemoglobinemia Lead poisoning in Children and adults Metal poisonings other than lead Pesticide poisonings Toxoplasmosis Transmissible spongiform encephalopathy Trichinosis Tularemia Typhoid fever Vancomycin-intermediate Staphylococcus aureus Vancomycin-resistant Staphylococcus aureus Varicella (chickenpox) Vibriosis Yersiniosis Zika virus infection

 

CATEGORY III
The following diseases shall be reported to the state within 72 hours of the identification of a case or suspected case. See link below for further details about reporting a Category III disease.

http://www.dhs.wisconsin.gov/communicable/diseasereporting/index.htm#category3

 

Human immunodeficiency virus (HIV) infection; AIDS has been reclassified as HIV Stage III