by Nguyen-Van-Tam, J S, Nair, P, Acheson, P, Baker, A, Barker, M, Bracebridge, S, Croft, J, Ellis, J, Gelletlie, R, Gent, N, Ibbotson, S, Joseph, Ca, Mahgoub, H, Monk, P, Reghitt, T W, Sundkvist, T, Sellwood, C, Simpson, John, Smith, J, Watson, J M, Zambon, M, Lightfoot, N
Published in Euro surveillance : bulletin européen sur les maladies transmissibles (04.05.2006)