1. Obstetrics and Fetal Medicine Department Hôpital Necker‐Enfants Malades, Assistance Publique Hôpitaux de Paris Paris France
2. Université de Paris Paris France
3. EA7328, Institut Hospitalo‐Universitaire Imagine Paris France
4. Virology Laboratory Associated with the National Herpes Viridae Reference Laboratory, Hôpital Necker‐Enfants Malades, Assistance Publique Hôpitaux de Paris Paris France