(410 ILCS 235/2) (from Ch. 111 1/2, par. 7502)
    Sec. 2. Definitions. As used in this Act, unless the context clearly requires otherwise:
    (a) "Director" means the Director of Public Health.
    (b) "Department" means the Department of Public Health.
    (c) "Health care provider" means any licensed health care professional or public or private health care facility in this State that administers pertussis vaccine.
    (d) "Major adverse reaction" means collapse or shock, high pitched screaming, persistent crying for three or more hours, excessive somnolence (sleepiness), temperature of 103 degrees, convulsions with or without accompanying fever or severe alterations of consciousness or any serious illness, disability or impairment of mental, emotional, behavioral or physical functioning or development, the first manifestation of which appears within 30 days of the date of administration of pertussis vaccine, and for which there is reasonable scientific or medical evidence that pertussis vaccine causes or significantly contributes to the illness, disability or impairment.
    (e) "Pertussis vaccine" means any vaccine containing a substance intended to prevent the occurrence of pertussis, which is administered separately or in conjunction with other substances intended to prevent the occurrence of other diseases.
(Source: P.A. 85-1209.)