Volume 17, Number 6—June 2011
Dispatch
Salmonella enterica Serotype Typhi with Nonclassical Quinolone Resistance Phenotype
Marie Accou-Demartin, Valérie Gaborieau, Yajun Song, Philippe Roumagnac, Bruno Marchou, Mark Achtman, and François-Xavier Weill
Figure 1
![Scattergrams for 685 Salmonella enterica serotype Typhi isolates correlating the zone diameters around the 5-μg ciprofloxacin disk with those of the 30-μg nalidixic acid disk. Circle sizes are proportional to the number of isolates. Red lines indicate the respective antibiogram committee of the French Society for Microbiology (CA-SFM) breakpoints for ciprofloxacin (susceptible [S] >25; resistant [R] <22 mm). Blue lines indicate the respective CA-SFM breakpoints for nalidixic acid (S >20](/eid/images/10-1242-F1.jpg "Figure 1. Scattergrams for 685 Salmonella enterica serotype Typhi isolates correlating the zone diameters around the 5-μg ciprofloxacin disk with those of the 30-μg nalidixic acid disk. Circle sizes are proportional to the number of isolates. Red lines indicate the respective antibiogram committee of the French Society for Microbiology (CA-SFM) breakpoints for ciprofloxacin (susceptible [S] >25; resistant [R] <22 mm). Blue lines indicate the respective CA-SFM breakpoints for nalidixic acid (S >20 and R <15 mm).")
Figure 1. Scattergrams for 685 Salmonella enterica serotype Typhi isolates correlating the zone diameters around the 5-μg ciprofloxacin disk with those of the 30-μg nalidixic acid disk. Circle sizes are proportional to the number of isolates. Red lines indicate the respective antibiogram committee of the French Society for Microbiology (CA-SFM) breakpoints for ciprofloxacin (susceptible [S] >25; resistant [R] <22 mm). Blue lines indicate the respective CA-SFM breakpoints for nalidixic acid (S >20 and R <15 mm).
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