Institution: | a Department of Paraclinical Studies, University of Zambia, Lusaka, Zambia b Department of Preventive Dentistry, Health Sciences University of Hokkaido, Ishikari-Tobetsu 1757, Hokkaido, 061-0293, Japan c Department of Disease Control, School of Veterinary Medicine, University of Zambia, Box 32379, Lusaka, Zambia d Department of Virology, Faculty of Veterinary Medicine, Rakuno Gakuen University, Oasa, Ebetsu, 069-0001, Department of Microbiology, Japan e Sapporo Medical University, Sapporo, 060-0823, Japan f Division of Animal Experimentation, Sapporo Medical University, Sapporo, 060-0823, Japan |