1. Faculty of Sciences of Tunis, University of Tunis El Manar, Tunis, Tunisia
2. Hepato-Gastro-Enterology department, Charles Nicolle Hospital, Tunis, Tunisia
3. Laboratory of Immunology, Military Hospital of Tunis, Tunis, Tunisia
4. Department of Virology, Amiens University Medical Centre, Amiens, France
5. Virology Research Unit, EA 4294, Jules Verne University of Picardie, Amiens, France
6. Faculty of Sciences of Tunis, Laboratory of Mycology, University of Tunis El Manar, Tunis, Tunisia