1 AP-HP, Necker-Enfants Malades University Hospital, Department of Infectious Diseases and Tropical Medicine and Centre d'Infectiologie Necker-Pasteur, Paris, France; Paris Descartes University, Sorbonne Paris Cité, Paris, France; Institut Pasteur, Biology of Infection Unit, INSERM U1117, Paris, France. Electronic address: caroline.charlier@nck.aphp.fr.
2 AP-HP, Necker-Enfants Malades University Hospital, Department of Obstetrics, Paris, France.
3 AP-HP, Necker-Enfants Malades University Hospital, Department of Microbiology, Paris, France.
4 Claude Bernard-Lyon I University, Villeurbanne, France.
5 Paris Descartes University, Sorbonne Paris Cité, Paris, France; AP-HP, Necker-Enfants Malades University Hospital, Department of Obstetrics, Paris, France.
6 Paris Descartes University, Sorbonne Paris Cité, Paris, France; AP-HP, Necker-Enfants Malades University Hospital, Department of Paediatrics and Infectious Diseases, Paris, France.
7 AP-HP, Necker-Enfants Malades University Hospital, Department of Infectious Diseases and Tropical Medicine and Centre d'Infectiologie Necker-Pasteur, Paris, France; Paris Descartes University, Sorbonne Paris Cité, Paris, France; Institut Pasteur, Biology of Infection Unit, INSERM U1117, Paris, France.
8 Paris Descartes University, Sorbonne Paris Cité, Paris, France; AP-HP, Necker-Enfants Malades University Hospital, Department of Neonatology, Paris, France.
9 AP-HP, Necker-Enfants Malades University Hospital, Department of Infectious Diseases and Tropical Medicine and Centre d'Infectiologie Necker-Pasteur, Paris, France; Paris Descartes University, Sorbonne Paris Cité, Paris, France.
10 Paris Descartes University, Sorbonne Paris Cité, Paris, France; AP-HP, Necker-Enfants Malades University Hospital, Department of Neonatology, Paris, France. Electronic address: elsa.kermorvant@nck.aphp.fr.