Divergent approaches in the vaccination of recently arrived migrants to Europe: a survey of national experts from 32 countries, 2017 Hargreaves, Sally and Nellums, Laura B and Ravensbergen, Sofanne J and Friedland, Jon S and Stienstra, Ymkje and on behalf of the ESGITM Working Group on Vaccination in Migrants, Eurosurveillance, 23, 1700772 (2018), https://doi.org/10.2807/1560-7917.ES.2018.23.41.1700772