1. Washington State University, Global Health Programs (Kenya Office), Nairobi, Kenya
2. College of Health Sciences, University of Nairobi, Nairobi, Kenya
3. Division of Global Health Protection, Centers for Disease Control and Prevention, Nairobi, Kenya
4. Department of Pathology, Thika Level 5 Hospital, Kiambu County, Kenya
5. Infectious Diseases Pathology Branch, Division of High-Consequence Pathogens and Pathology, National Center for Emerging and Zoonotic Infectious Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia, USA
6. Centre for Global Health Research, Kenya Medical Research Institute, Nairobi, Kenya
7. Institute of Tropical Medicine, Antwerp, Belgium
8. Respiratory Diseases Branch, Division of Bacterial Diseases, National Center for Immunization and Respiratory Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia, USA
9. Influenza Program, Centers for Disease Control and Prevention, Nairobi, Kenya