1. Virology DepartmentNational Reference Laboratory of Measles, Mumps, Rubella, Pedro Kourí Institute of Tropical MedicineHavana Cuba
2. Department of Infection and ImmunityInfectious Diseases Research Unit, Luxembourg Institute of HealthEsch‐sur‐Alzette Luxembourg
3. Institute of Immunology, Laboratoire National de SantéDudelange Luxembourg