[1] Ctr Hosp Mans, Infect Control Unit, Le Mans, France
[2] Imperial Coll London, Hlth Protect Res Unit Healthcare Associated Infec, London, England
[3] Antenne Reg Lutte Infect Nosocomiales Pays Loire, Nantes, France
[4] CHU Nantes, Infect Control Unit, Nantes, France
[5] INSERM, IAME, UMR 1137, Paris, France
[6] Univ Paris Diderot, Sorbonne Paris Cite, IAME, UMR 1137, Paris, France
[7] Grp Hosp Bichat Claude Bernard, Infect Control Unit, Paris, France