Singapore legislation
Regulation 4
of Infectious Diseases (Diphtheria and Measles Vaccination) Regulations 2021
Regulation 4
Booster diphtheria vaccinations
Subregulation 1
The parent or guardian of a child who has completed a course of primary diphtheria vaccination (whether in Singapore or elsewhere) (called in this regulation the applicable child) must ensure that the applicable child receives booster diphtheria vaccinations in accordance with this regulation.
Subregulation 2
Subject to paragraphs (5), (6) and (8), the applicable child must receive the following booster diphtheria vaccinations:
one injection of diphtheria vaccine within the period of 18 months after the date on which the applicable child completes the course of primary diphtheria vaccination;
one further injection of diphtheria vaccine after the applicable child receives the booster diphtheria vaccination in accordance with sub‑paragraph (a) but before the applicable child attains 12 years of age.
Subregulation 3
Subject to paragraphs (5), (7) and (8), if the applicable child —
is born in Singapore and leaves Singapore for a period of 6 months or longer without receiving any booster diphtheria vaccination in accordance with paragraph (2); or
is born outside Singapore,the applicable child must receive the booster diphtheria vaccinations mentioned in paragraph (4) when the applicable child returns to or arrives in Singapore, as the case may be.
Subregulation 4
The booster diphtheria vaccinations mentioned in paragraph (3) are the following:
one injection of diphtheria vaccine —
if the applicable period is less than 12 months — within the period of 18 months after the date on which the applicable child completes the course of primary diphtheria vaccination; or
if the applicable period is 12 months or longer — within the period of 6 months after the date the applicable child returns to or arrives in Singapore, as the case may be;
one further injection of diphtheria vaccine —
unless sub‑paragraph (ii) applies, after the applicable child receives the booster diphtheria vaccination in accordance with sub‑paragraph (a) but before he or she attains 12 years of age; or
if the applicable child arrives in Singapore on or after attaining 11 years and 6 months of age but before attaining 12 years of age, within the period of 6 months after the date the applicable child returns to or arrives in Singapore, as the case may be.
Subregulation 5
Paragraph (2) or (3) does not apply if the applicable child starts and completes the course of primary diphtheria vaccination on or after attaining 7 years of age.
Subregulation 6
Paragraph (2)(b) does not apply if the applicable child receives the booster diphtheria vaccination mentioned in paragraph (2)(a) on or after attaining 7 years of age.
Subregulation 7
Paragraph (4)(b) does not apply if the applicable child receives the booster diphtheria vaccination mentioned in paragraph (4)(a) on or after attaining 7 years of age.
Subregulation 8
Where, by reason of temporary unfitness, the applicable child does not receive any booster diphtheria vaccination in accordance with paragraph (2) or (3) (as the case may be), the parent or guardian of the applicable child must ensure that the applicable child receives the booster diphtheria vaccination concerned within the period of 6 months after the specified date in the certificate of temporary unfitness in respect of the applicable child.
Subregulation 9
In paragraph (4)(a), “applicable period”, in relation to an applicable child, means the period starting on the date the applicable child completes a course of primary diphtheria vaccination and ending on the date the applicable child returns to or arrives in Singapore, as the case may be.