Any student entering a public or private postsecondary education institution in this state for the first time after July 1, 2008, shall, within forty-five days after the start of classes, present to the appropriate institution certification from a licensed physician that the student has received or is in the process of receiving the required two doses of immunization against measles, rubella, and mumps. As an alternative to the requirement for a physician's certification, the student may present:
(1) Certification from a licensed physician stating the physical condition of the student would be such that immunization would endanger the student's life or health;(2) Certification from a licensed physician stating the student has experienced the natural disease against which the immunization protects;(3) Confirmation from a laboratory of the presence of adequate immunity; or(4) A written statement signed by the student that the student is an adherent to a religious doctrine whose teachings are opposed to such immunizations. If the student is under the age of eighteen, the written statement shall be signed by one parent or guardian.