1. Committee on Immunization. Parthasarthy A, Dutta AK, Bhave SY, eds.IAP Guidebook on Immunization. 2nd edn., Mumbai Indian Academy of Pediatrics, 2001; 32–34.
2. John TJ. Typhoid vaccination after enteric fever (reply).Indian Pediatr 1999; 36: 724–725.
3. Bhattarai MD. Typhoid fever in children.Lancet 1999; 354: 2001–2002.