No person afflicted with an infectious or contagious disease dangerous to the public health shall be admitted into any public, parochial or private school or licensed child care facility. It shall be the duty of the parent or guardian, and the principal or other person in charge of any public, parochial, private school or licensed child care facility to exclude therefrom any child or other person affected with a disease suspected of being infectious or contagious until the expiration of the prescribed period of isolation or quarantine for the particular infectious or contagious disease. If the attending person licensed to practice medicine and surgery or local health officer finds upon examination that the person affected with a disease, suspected of being infectious or contagious is not suffering from an infectious or contagious disease, he or she may submit a certificate to this effect to the person in charge of the public, parochial, private school or licensed child care facility and such person shall be readmitted to school or to the child care facility.