A randomised trial evaluating the safety and immunogenicity of the novel single oral dose typhoid vaccine M01ZH09 in healthy Vietnamese children. oleh Tinh Hien Tran, Thi Dung Nguyen, Thanh Truong Nguyen, Thi Thanh Van Ninh, Nguyen Bich Chau Tran, Van Minh Hoang Nguyen, Thi Thu Nga Tran, Thu Thuy Cao, Van Minh Pham, Thi Cam Binh Nguyen, Thi Diem Ha Tran, Van Toi Pham, Song Diep To, James I Campbell, Elaine Stockwell, Constance Schultsz, Cameron P Simmons, Clare Glover, Winnie Lam, Filipe Marques, James P May, Anthony Upton, Ronald Budhram, Gordon Dougan, Jeremy Farrar, Van Vinh Chau Nguyen, Christiane Dolecek