1. HU Toulouse, Hôpital Purpan, Virology Laboratory, Toulouse, France
2. INSERM UMR1291–CNRS UMR5051, Toulouse Institute for Infectious and Inflammatory Diseases (INFINITy), Toulouse, France
3. Occupational Diseases Department, Toulouse University Hospital, Toulouse, France
4. UMR1295, Unité Mixte INSERM–Université Toulouse III Paul Sabatier, Centre for Epidemiology and Research in Population Health Unit (CERPOP), Toulouse, Franceand
5. Infectious and Tropical Diseases Department, Toulouse University Hospital, Toulouse, France