Rathish K C, Chandrashekar M R, Nagesha C N
Department of Microbiology, Dr. B. R. Ambedkar Medical College, Bangalore.
Indian J Med Sci. 1994 Apr;48(4):85-8.
A total of 204 strains of salmonella were isolated in blood cultures during the year 1991 outbreak of enteric fever in and around Bangalore. Out of this, 190 were S. typhi, 6 S. paratyphi A, 5 S. typhimurium and 3 S. choloraesuis. Antibiogram of 190 strains of S. typhi showed resistance of 94.7%, 95.8% and 96.9% to chloramphenicol, ampicillin and cotrimoxazole and sensitivity of 65.3%, 88.4% and 94.2% to gentamycin, norfloxacin and ciprofloxacin respectively. Minimum inhibitory concentrations (MIC) of chloramphenicol were between 360 mcg and 640 mcg per ml. There was high degree (94.7%) of triple drug resistance to chloramphenicol, ampicillin and cotrimoxazole.
