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National Antimicrobial Resistance Monitoring System : enteric bacteria 1998 annual report
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Description:In 1998, there were 1476 Salmonella isolates, 315 E. coli O157:H7 isolates, and 382 Campylobacter isolates from humans submitted to the National Antimicrobial Resistance Monitoring System:Enteric Bacteria (NARMS). Twenty-seven percent of Salmonella isolates were resistant to one or more antimicrobial agents. Among Salmonella Typhimurium isolates, 53% were resistant to one or more antimicrobial agents. Thirty-two percent of Salmonella Typhimurium isolates had the multi-drug resistant pattern characteristic of DT104. One Salmonella isolate was resistant to ciprofloxacin. The percentage of Salmonella isolates with ciprofloxacin minimum inhibitory concentrations (MICs) >0.25 increased from 0.4% in l996 to 0.7% in l998. Among E. coli O157:H7 isolates, 7.3% were resistant to one or more antimicrobial agents. Among Campylobacter isolates, 55.0% were resistant to one or more antimicrobial agents; 13.3% were resistant to ciprofloxacin.
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