Rotavirus genotype trends from 2013 to 2018 and vaccine effectiveness in southern Vietnam oleh Dung Thi Thuy Truong, Ji-Man Kang, Ngoc Thi Hong Tran, Lan Trong Phan, Hung Thanh Nguyen, Thang Vinh Ho, Thao Thi Thanh Nguyen, Phuc Le Hoang, Trang Mai Thuy Pham, Thuy Dieu Nguyen, Thang Anh Hoang, Quang Chan Luong, Quang Duy Pham, Jong Gyun Ahn, Sangchul Yoon, Thuong Vu Nguyen, Joon-Sup Yeom