1. WHO (2008) Enteric fever. In: Guidelines on standard operating procedures for microbiology. WHO Regional Office for South-East Asia, Geneva, Switzerland
2. González A, Malo Q, Román Muñoz J, Molina J, Pérez MT, Domínguez J, Bisquert J (1994) Microbiologic diagnosis of typhoid fever: report on an outbreak (in Spanish). Enferm Infecc Microbiol Clin 12:372–377
3. Crum NF (2003) Current trends in typhoid fever. Curr Gastroenterol Rep 5:279–286
4. Crump JA, Luby SP, Mintz ED (2004) The global burden of typhoid fever. Bull World Health Organ 82:346–353
5. CDC (2007) Prevention of specific infectious diseases: typhoid fever, Chap. 4. In: Arguin PM, Kozarsky PE, Reed C (eds) CDC health information for international travel 2008. Elsevier, Atlanta