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

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

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

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

  • 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.

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

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

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