“Department” means the Maryland Department of Health. “Health care provider” means any licensed health care professional, organization, or institution, whether public or private, under whose authority pertussis vaccine is administered. “Major adverse reaction” means any: Serious illness, disability, or impairment of mental, emotional, behavioral, or physical functioning or development, the first manifestation of which appears within 7 days after the date of administration of pertussis vaccine and for which there is reasonable scientific or medical evidence pertussis vaccine causes, or significantly contributes to, the effect; and Other reaction which the Department, after consultation with the Medical and Chirurgical Faculty of Maryland, determines is a basis for not continuing with pertussis vaccine administration. “Patient” means the individual to whom pertussis vaccine is being administered. “Pertussis vaccine” means any vaccine that contains materials intended to prevent the occurrence of pertussis, whether the materials are administered separately or in conjunction with other materials intended to prevent the occurrence of other diseases.