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We analysed 336 non-typhoidal Salmonella (NTS) isolated from children <13 years of age with bacteraemia admitted to a rural district hospital in Kenya from 1994 to 2005. Pulsed-field gel electrophoresis was used to determine genetic relatedness of strains, and antimicrobial susceptibility testing was also performed. Most NTS were either Salmonella enterica serovar Typhimurium (n=114; 33.9%) or S. enterica serovar Enteritidis (n=128; 38.1%), with minimal genotypic diversity over the study period. The NTS showed a remarkable decrease in levels of resistance especially to two commonly available antimicrobials (amoxicillin and co-trimoxazole), from high of 69.2% and 68.4% during 1994-1997 to 11% and 13%, respectively, in 2002-2005 (P<0.01). All NTS remained fully susceptible to cefotaxime and ciprofloxacin. Our findings show that commonly available drugs may still be useful for treatment of invasive NTS infections in this rural population.

Original publication




Journal article


Int J Antimicrob Agents

Publication Date





166 - 171


Anti-Bacterial Agents, Bacteremia, Child, Child, Preschool, Drug Resistance, Bacterial, Electrophoresis, Gel, Pulsed-Field, Genotype, Hospitals, Rural, Humans, Infant, Infant, Newborn, Kenya, Microbial Sensitivity Tests, Salmonella, Salmonella Infections, Salmonella enterica