Authors: Julia Granerod; Helen E Ambrose; Nicholas Ws Davies; Jonathan P Clewley; Amanda L Walsh; Dilys Morgan; Richard Cunningham; Mark Zuckerman; Ken J Mutton; Tom Solomon; Katherine N Ward; Michael Pt Lunn; Sarosh R Irani; Angela Vincent; David Wg Brown; Natasha S Crowcroft Journal: Lancet Infect Dis Date: 2010-10-15 Impact factor: 25.071