1. Department of Medicine, Faculty of Medicine, King Abdulaziz University, Jeddah, Saudi Arabia.
2. Scientific Chair of Sheikh Mohammad Hussein Alamoudi for Viral Hemorrhagic Fever, King Abdulaziz University, Jeddah, Saudi Arabia.
3. Special Infectious Agents Unit, King Fahd Medical Research Center, King Abdulaziz University, Jeddah, Saudi Arabia.
4. Department of Medical Laboratory Technology, Faculty of Applied Medical Science, King Abdulaziz University, Jeddah, Saudi Arabia.
5. Department of Family and Community Medicine, Faculty of Medicine, King Abdulaziz University, Jeddah, Saudi Arabia.
6. Galveston National Laboratory, Departments of Pathology and Microbiology and Immunology, University of Texas Medical Branch, Galveston, Texas.