Work out vaccination due date instantly with clear inputs, formula shown and shareable results.
Counts forward from the date of birth to the scheduled age for a vaccine dose and applies the minimum interval before the next dose in the series.
Schedule arithmetic
Due date = date of birth + scheduled age in weeks; next dose is no earlier than the due date plus the minimum interval
Educational estimate only. Not a substitute for professional clinical judgement, and must not be used to make treatment or dosing decisions.
Most schedules allow a grace period of about four days, but doses given earlier are usually not counted.
Catch-up schedules keep the minimum intervals rather than restarting the course.