00503nas a2200169   4500000000100000008004100001100001300042700001400055700001700069700001400086700001600100700001500116700001500131700001600146245015700162022001400319       2020                            d1 aM. Peppa1 aS. Thomas1 aC. Minassian1 aJ. Walker1 aH. McDonald1 aN. Andrews1 aS. Kempley1 aP. Mangtani00aSeasonal influenza vaccination during pregnancy and the risk of major congenital malformations in live-born infants: A 2010-2016 historical cohort study  a1058-4838