1. Faculty of Medical Laboratory Sciences, Karrary University, Omdurman, Sudan
2. Faculty of Medicine, University of Kassala, Kassala, Sudan
3. College of Medicine, Princess Nourah bint Abdulrahman University, Riyadh, Saudi Arabia
4. Clinical Microbiology Department, Virology Unit, Umeå university, Umeå, Sweden
5. College of Science, Princess Nourah bint Abdulrahman University, Riyadh, Saudi Arabia
6. Federal Ministry of Health, Khartoum, Sudan
7. Department of Pharmaceutics, College of Pharmacy, King Saud University, Riyadh, Saudi Arabia
8. Blue Nile National Institute for Communicable Diseases, University of Gezira, Wad Medani, Sudan
9. Department of Parasitology, University of Gezira, Wad Medani, Sudan