aDepartment of Respiratory Diseases National Institute of Infectious Diseases, Tokyo, Japan

bDepartment of Chemotherapy and Mycoses, National Institute of Infectious Diseases, Tokyo, Japan

cDepartment of Virology, Institute of Tropical Medicine, Nagasaki University, Nagasaki, Japan

dDepartment of Pathology, Hyogo Prefectural Awaji Medical Center, Hyogo, Japan

eDepartment of Pathology, Nagasaki University Hospital, Nagasaki, Japan

fDepartment of Pathology, Japanese Red Cross Nagasaki Genbaku Hospital, Nagasaki, Japan

gDepartment of Infectious Diseases, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan

hDepartment of Laboratory Medicine, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan

Journal of Infection and Chemotherapy