DHS 144.02(9)(9) “Immunization” means the process of inducing immunity artificially by receiving an immunobiologic. DHS 144.02(11)(11) “Mening” means a meningococcal vaccine containing, at a minimum, serogroups A, C, W, and Y. DHS 144.02(12)(12) “MMR” means measles, mumps, and rubella vaccine received in combination or as separate vaccines. DHS 144.02(13)(13) “Municipality” means any town, village, city, or county. DHS 144.02(14)(14) “Parent” means the parent, parents, guardian, or legal custodian of any minor student. DHS 144.02(16)(16) “Physician” means an individual possessing the degree of doctor of medicine or doctor of osteopathy or an equivalent degree as determined by the medical examining board under s. 448.05 (2), Stats., and holding a license granted by the medical examining board under s. 448.06, Stats. DHS 144.02(18)(18) “School” means any public or private elementary, middle, junior or senior high school, which provides educational instruction to students in any grade kindergarten through 12, or in an ungraded educational setting, or to preschool children enrolled in early childhood programs. DHS 144.02(18m)(18m) “School day,” in reference to schools, has the meaning prescribed in s. 115.01 (10), Stats. “School day,” in reference to child care centers, means any day that the center is open and caring for children. DHS 144.02(19)(19) “Student” means any individual enrolled in or attending a school or child care center. DHS 144.02(20)(20) “Subsided” in reference to a substantial outbreak means passage of 2 incubation periods for the disease causing the outbreak without additional cases, unless a shorter period of time is judged adequate by the department. DHS 144.02(21)(21) “Substantial outbreak” means occurrence of any of the following diseases at the threshold determined by the department using epidemiological factors such as time and place: DHS 144.02(22)(22) “Td” means adolescent and adult tetanus and diphtheria vaccine. DHS 144.02(23)(23) “Tdap” means adolescent and adult tetanus, diphtheria and acellular pertussis vaccine. DHS 144.02(24)(24) “Vaccine provider” means a health care facility, as defined in s. 155.01 (6), Stats., which administers vaccines, or a local health department, or a physician’s office which administers vaccines. DHS 144.02 NoteNote: Varicella is commonly known as chickenpox.