00526nas a2200181   4500000000100000008004100001100001400042700001200056700001500068700001500083700001400098700001300112700001300125700001400138700001400152245016400166022001400330       2019                            d1 aJ. Walker1 aH. Zhao1 aG. Dabrera1 aN. Andrews1 aS. Thomas1 aC. Tsang1 aJ. Ellis1 aM. Donati1 aR. Pebody00aAssessment of Effectiveness of Seasonal Influenza Vaccination During Pregnancy in Preventing Influenza Infection in Infants in England, 2013-2014 and 2014-2015  a0022-1899