Post-authorisation passive enhanced safety surveillance of seasonal influenza vaccines: protocol of a pilot study in England

BMJ Open
May 2017 – Volume 7 – 5
http://bmjopen.bmj.com/content/current

Protocol
Post-authorisation passive enhanced safety surveillance of seasonal influenza vaccines: protocol of a pilot study in England
Simon de Lusignan, Gaël Dos Santos, Ana Correa, François Haguinet, Ivelina Yonova, Florence Lair, Rachel Byford, Filipa Ferreira, Karen Stuttard, Tom Chan