Prevalence of Salmonella typhi among patients with febrile illness in rural and peri-urban populations of Vellore district, as determined by nested PCR targeting the flagellin gene.

Background And Objective: Fever is one of the most common illnesses in all age groups in India. Typhoid fever is a continuing problem in developing countries such as India, which has poor sanitation facilities. The diagnosis of typhoid fever is still made by conventional culture-based isolation and identification.