AdimFlu-S® influenza A (H1N1) vaccine during pregnancy: The Taiwanese Pharmacovigilance Survey

► Influenza A vaccination during pregnancy did not lead to a higher incidence rate of adverse events. ► Influenza vaccine is not related with preterm delivery, stillbirth, and infant medical condition from birth to 8 weeks of age. ► AdimFlu-S® influenza A (H1N1) vaccine was safe in every aspect and well tolerated by pregnant women and their infants.