Disease Prevention and Control

Some diseases and conditions can affect public health. These are called reportable diseases. When someone is diagnosed with a reportable disease, the local health department will call the client to follow up and answer questions. If you would like to learn more about the communicable disease reporting requirements in Wisconsin, please click here.

Reportable Disease Lists (click here for list)

• Category I:  Diseases in this category need urgent attention and should be reported IMMEDIATELY by telephone to the patient’s local health department.
• Category II:  These diseases should be reported within 72 hours of diagnosis.
• Category III: This category relates to HIV infection and AIDS which should be reported within 72 hours of diagnosis.

Additional Links:

• Outbreaks in WI
• Childhood Communicable Diseases (including wall chart)
• A-Z Listing of Topics: Diseases and Conditions

Report an illness caused by food or water:
If you need to report an illness that you believe was caused by something you ate or drank, click here: Food Poisoning: Report an Illness Caused by Food or Water | Wisconsin Department of Health Services