Safety and immunogenicity of Vi-DT conjugate vaccine among 6-23-month-old children: Phase II, randomized, dose-scheduling, observer-blind Study oleh Maria Rosario Capeding, Arijit Sil, Birkneh Tilahun Tadesse, Tarun Saluja, Samuel Teshome, Edison Alberto, Deok Ryun Kim, Eun Lyeong Park, Ju Yeon Park, Jae Seung Yang, Suchada Chinaworapong, Jiwook Park, Sue-Kyoung Jo, Yun Chon, Seon-Young Yang, Ji Hwa Ryu, Inho Cheong, Kyu-Young Shim, Yoonyeong Lee, Hun Kim, Julia A. Lynch, Jerome H. Kim, Jean-Louis Excler, T. Anh Wartel, Sushant Sahastrabuddhe