Infants and children aged <10 years who have missed a dose of diphtheria-containing vaccine are recommended to catch up
Infants and children <10 years of age who have not received diphtheria-containing vaccines at the recommended schedule points may need extra doses of vaccine and/or an alternative schedule.
See Catch-up vaccination for more details, including minimum intervals between doses.
Printed content may be out of date. For up to date information, always refer to the digital version: https://immunisationhandbook.health.gov.au/recommendations/infants-and-children-aged-0.