Prevalence of multi-drug resistant Salmonella typhi in Ludhiana Punjab

A total of 945 strains of S. typhi isolated from blood cultures during 1989 to 1994 were studied. Their antibiotic susceptibility showed 580 (61.4%) of strains to be multidrug resistant. The 464 strains tested for their susceptibility to ciprofloxacin were all sensitive to the drug. Twenty three (17.9%) of the 128 strains of S. paratyphi A were resistant to chloramphenicol. The sole isolate of S. paratyphi B was sensitive to all antibiotics tested.