• Infectious Diseases

    Division of Infectious Diseases protects people from infectious diseases through disease surveillance, analysis, immunization, and education.

  • Cancer

    Cancer is a group of more than 200 different diseases. Cancer is an uncontrolled growth of cells that disrupts body tissues and organs. 

  • Arthritis

    The term arthritis refers to about 120 different diseases that can affect the joints, muscles and other soft tissues. 

  • Diabetes

    Diabetes is a disease in which blood glucose levels are above normal. Nearly 26 million children and adults in the United States have diabetes.

  • Heart & Stroke

    Heart disease and stroke are, respectively, the first and third leading causes of death and also the major causes of disability in Illinois.

  • Asthma

    Asthma is a condition that affects the airways. It makes it hard to breathe because the airways become swollen and the muscles around them tighten.

  • Diseases A-Z

    An alphabetical listing of common diseases and conditions, both chronic and infectious, that affect the everday lives of Illinois residents. 

  • Influenza (Flu)

    Influenza, "the flu," is an infection of the respiratory tract caused by a virus often resulting in more severe illness than the common cold.

  • HIV/AIDS

    HIV remains a serious infectious disease but there are tools preventing infections and prolonging and improving quality of life.

  • Hepatitis

    Hepatitis is defined as an inflammation of the liver. Hepatitis is commonly caused by a virus.

  • Outbreaks

    Outbreaks, investigations, disease concerns, and increased activity that include cases in Illinois, or have a wide impact in Illinois.