Primary diphtheria vaccination
3.—(1)  The parent or guardian of every child in Singapore shall ensure that the child completes a course of primary diphtheria vaccination —
(a)within 12 months of the birth of the child; or
(b)within 12 months after the arrival of the child in Singapore, if the parent or guardian cannot produce any evidence to show that the child has already been so vaccinated.
(2)  Primary diphtheria vaccination shall consist of the appropriate number of injections of diphtheria prophylactic.
(3)  For the purposes of this regulation, “appropriate number of injections” means, where any diphtheria prophylactic specified in the First Schedule is used, the number of injections prescribed therefor in that Schedule and, in the case of any other approved diphtheria prophylactic, the number of injections specified by the manufacturer of the respective diphtheria prophylactic used.