410 ILCS 215/2
It shall be the duty of any physician, surgeon, obstetrician, midwife, nurse, maternity home or hospital, of any nature or parent assisting in any way whatsoever, any woman at childbirth, or assisting in any way whatsoever any infant, or the mother of any infant, at any time within two weeks after childbirth, observing or having a reasonable opportunity to observe the condition herein defined, and within six hours thereafter, to report in writing or by telephone followed by a written report such fact to the local health authorities of the city, town, village or other political division as the case may be, in which the mother of any such infant may reside: Provided, that such reports and the records thereof shall be deemed privileged information and shall not be open to the public.
410 ILCS 215/2