| Authors: |
Dat VQ; Department of Infectious Diseases, Hanoi Medical University, Hanoi, Vietnam (No 1 Ton That Tung street, Dong Da district, Hanoi, Vietnam).; Hanoi Medical University Hospital, Hanoi Medical University, Hanoi, Vietnam (No 1 Ton That Tung street, Dong Da district, Hanoi, Vietnam)., Dat TT; Department of Infectious Diseases, Hanoi Medical University, Hanoi, Vietnam (No 1 Ton That Tung street, Dong Da district, Hanoi, Vietnam)., Hieu VQ; Hanoi Medical University Hospital, Hanoi Medical University, Hanoi, Vietnam (No 1 Ton That Tung street, Dong Da district, Hanoi, Vietnam)., Giang KB; Institute for Preventive Medicine and Public Health, Hanoi Medical University, Hanoi, Vietnam (No 1 Ton That Tung street, Dong Da district, Hanoi, Vietnam)., Otsu S; World Health Organisation Viet Nam Country Office, Hanoi, VietNam (304 Kim Ma Street, Hanoi, VietNam).; Infectious Disease Department, Japanese Red Cross Wakayama Medical Centre, Wakayama City, Wakayama, Japan (4-20 Komatsubara-dori, Wakayama City 640-8558, Wakayama, Japan). |