Diseases and Conditions A-Z Listing of Topics: Diseases and Conditions Browse by letter to find more information about diseases and conditions. Childhood Communicable Diseases 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 Disease Prevention Program Chronic diseases are common and costly. Prevention can help Wisconsinites live their best lives. Learn about our chronic disease preventive programs. COVID-19 (Coronavirus Disease) Wisconsin's source of trusted information and data on COVID-19. Disease Prevention Disease prevention focuses on reducing the risk of disease, identifying disease risk factors, and detecting disease i. Disease Reporting View reporting requirements for categories I–III diseases and other conditions. Fight the Bite! Learn how to prevent bites from ticks and mosquitoes. Food Poisoning Find general information on and reporting protocols for food poisoning. Fungal Infections in Wisconsin Find resources for identifying, reporting, and treating fungal infection. Zoonotic Diseases Find resources for identifying, reporting, and treating zoonotic diseases. Illnesses Spread by Mosquitoes in Wisconsin Learn about mosquitoes, illnesses they can spread, and preventing bites. Illnesses Spread by Ticks Learn about ticks, illnesses they can cause, and preventing bites. Waterborne Illnesses Find resources for identifying, reporting, and treating waterborne illnesses. Immunizations: Wisconsin Immunization Program The mission of the Wisconsin Immunization Program is to stop the spread of diseases that can be prevented with vaccines. Mental Health: Illnesses and Conditions Information on the signs and symptoms of a mental health concern. Outbreaks in Wisconsin See the list of known outbreaks, recalls, and investigations. Respiratory Viruses Learn about causes, treatment, and prevention of various respiratory illnesses. Sexually Transmitted Diseases (STD) The Wisconsin STD Program is the lead agency in Wisconsin government responsible for coordinating the state’s public healt. Skin Infections Learn about causes, treatment, and prevention of various skin infections. Substance Use Disorders Information about the signs and symptoms of a substance use concern.