A TNF region haplotype offers protection from typhoid fever in Vietnamese patients

Sarah J Dunstan, Nguyen Thi Hue, Kirk Rockett, Julian Forton, Andrew P Morris, P MorrisMahamadou Diakite, Mai Ngoc Lanh, Le Thi Phuong, Deborah House, Christopher M Parry, Ha Vinh, Nguyen T Hieu, Gordon Dougan, Tran Tinh Hien, Dominic Kwiatowski, Jeremy J Farrar