WahdanMHSériéCCerisierYSallamSGermanierR.A controlled field trial of live Salmonella typhi strain Ty21a oral vaccine against typhoid: three year results. J Infect Dis. 1982;145:292-296.
2.
LevineMMFerreccioCCryzSOrtizE.Comparison of enteric-coated capsules and liquid formulation of Ty21a typhoid vaccine in randomized controlled field trial. Lancet. 1990;336:891-894.
3.
SimanjuntakCPaleologoFPunjabiN. Oral immunisation against typhoid fever in Indonesia with Ty21a vaccine. Lancet. 1991;338:1055-1059.
4.
CrumpJALubySPMintzED. The global burden of typhoid fever. Bull World Health Organ. 2004;82:346.
5.
The rose spots of typhoid fever. JAMA. 1900;XXXV(13):830. doi:10.1001/jama.1900.02460390046009.
BegierEMBurwenDRHaberPBallR.Postmarketing safety surveillance for typhoid fever vaccines from the vaccine adverse event reporting system, July 1990 through June 2002. Clin Infect Dis. 2004;38:771-779.
GermanierRFürerE.Isolation and characterisation of Gal E mutant Ty21a of Salmonella typhi: a candidate strain for a live, oral typhoid vaccine. J Infect Dis. 1975;131:553-558.
12.
CryzSJJrVanpraparNThisyakornU. Safety and immunogenicity of Salmonella typhi Ty21a vaccine in young Thai children. Infect Immun. 1993;61:1149-1151.
13.
OchiaiRLAcostaCJDanovaro-HollidayMC. A study of typhoid fever in five Asian countries: disease burden and implications for controls. Bull World Health Organ. 2008;86:260-268. doi:10.2471/BLT.06.039818.