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Measles cases are on the rise globally and here in Illinois the number is increasing as well. Vaccines are 97% effective in preventing this highly contagious disease.  To learn more about this infection and get information on vaccination, go to  Learn how to identify measles and the safe and effective vaccine that can prevent this potentially life-threatening infection for adults and children. 

Topics and Services

Diseases & Conditions

IDPH provides information and resources for both chronic and infectious diseases and conditions.

Emergency Preparedness & Response

IDPH ensures that the state is ready for any emergency through disaster planning and regulation of responders.

Environmental Health Protection

IDPH works to reduce the incidence of disease and injury related to
environmental factors.

Food Safety

Information about food safety and food-borne illnesses. 

Health Care Regulation

IDPH ensures facilities and workers provide health care services in a clean and safe environment.

Life Stages & Populations

IDPH maintains programs and services designed to meet the needs of specific populations throughout the State.

Prevention & Wellness

IDPH is dedicated to promoting healthier and safer lifestyles through education, information and services.

Provider & Partner Resources

IDPH aims to provide necessary and timely resources for public health professionals in the state


General information on opioids, including prescription opioids heroin, and synthetic opioids.