[Articles] Low-dose yellow fever vaccination in infants: a randomised, double-blind, non-inferiority trial

00:00 - 13 Jan 2026

Compared with the standard yellow fever vaccine dose, a dose of 500 IU did not meet the non-inferiority criterion, suggesting that minimum dose requirements in adults are not generalisable to infants. Therefore, standard yellow fever doses should be used for infants in the routine WHO Expanded Programme on Immunization.