1. School of Medicine and Pharmacy, College of Medicine and Health Sciences, University of Rwanda, Kigali, Rwanda.
2. Rwanda Military Hospital, Kigali, Rwanda.
3. Department of Infectious Diseases, Institute of Biomedicine, University of Gothenburg, Gothenburg, Sweden.
4. Department of Microbiology, Tumor and Cell Biology, Karolinska Institutet, Stockholm, Sweden.
5. National Centre for Blood Transfusion, Rwanda Biomedical Centre, Kigali, Rwanda.
6. Division of Epidemic Surveillance and Response, Rwanda Biomedical Center, Kigali, Rwanda.
7. Department of Clinical Microbiology, Virology, Umeå University, Umeå, Sweden.