Diseases and Conditions

It is important to recognize when children are sick with a communicable disease so they can get medical care and stop the spread of disease.

Chronic diseases are common and costly. Prevention can help Wisconsinites live their best lives. Learn about our chronic disease preventive programs.

Wisconsin's source of trusted information and data on COVID-19.

Disease prevention focuses on reducing the risk of disease, identifying disease risk factors, and detecting disease in its early stages.

View reporting requirements for categories I–III diseases and other conditions.

Learn how to prevent bites from ticks and mosquitoes.

Find general information on and reporting protocols for food poisoning.

Find resources for identifying, reporting, and treating fungal infection.

Find resources for identifying, reporting, and treating zoonotic diseases.

Learn about mosquitoes, illnesses they can spread, and preventing bites.

Learn about ticks, illnesses they can cause, and preventing bites.

Find resources for identifying, reporting, and treating waterborne illnesses.

The mission of the Wisconsin Immunization Program is to stop the spread of diseases that can be prevented with vaccines.

Information on the signs and symptoms of a mental health concern.

See the list of known outbreaks, recalls, and investigations.

Learn about causes, treatment, and prevention of various respiratory illnesses.

The Wisconsin STD Program is responsible for coordinating the state’s public health response to the prevention and control of sexually transmitted diseases (STDs).

Learn about causes, treatment, and prevention of various skin infections.

Information about the signs and symptoms of a substance use concern.