1. Production Department, Kenya Medical Research Institute (KEMRI)
2. Centre for Infectious and Parasitic Diseases Control Research (CIPDCR), Kenya Medical Research Institute (KEMRI)
3. Institute of Tropical Medicine and Infectious Diseases (ITROMID), Jomo Kenyatta University of Agriculture and Technology (JKUAT)
4. Department of Virology, Institute of Tropical Medicine, Nagasaki University