1. Laboratory of Clinical Virology, Pasteur Institute of Tunis University of Tunis El Manar Tunis Tunisia
2. Clinical Investigation Center, Pasteur Institute of Tunis University of Tunis El Manar Tunis Tunisia
3. Faculty of Sciences of Tunis University of Tunis El Manar Tunis Tunisia
4. Department of Epidemiology, Clinical Investigation Center, Pasteur Institute of Tunis University of Tunis El Manar Tunis Tunisia
5. Faculty of Medicine of Tunis University of Tunis El Manar Tunis Tunisia
6. Regional Hospital of Kasserine Kasserine Tunisia
7. Regional Health Direction of Kasserine Kasserine Tunisia
8. Department of Family and Community Medicine, College of Medicine and Medical Sciences Arabian Gulf University Manama Bahrain