745 ILCS 10/6-105
Neither a local public entity nor a public employee acting within the scope of his employment is liable for injury caused by the failure to make a physical or mental examination, or to make an adequate physical or mental examination of any person for the purpose of determining whether such person has a disease or physical or mental condition that would constitute a hazard to the health or safety of himself or others.
(from Ch. 85, par. 6-105)
(Source: Laws 1965, p. 2983.)