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Volume 12, Number 6—June 2006

Research

Multidrug-resistant Commensal Escherichia coli in Children, Peru and Bolivia

Alessandro Bartoloni*Comments to Author , Lucia Pallecchi†, Marta Benedetti*, Connie Fernandez‡, Yolanda Vallejos§, Elisa Guzman¶, Ana Liz Villagran§, Antonia Mantella*, Chiara Lucchetti†, Filippo Bartalesi*, Marianne Strohmeyer*, Angela Bechini*, Herlan Gamboa§, Hugo Rodríguez‡, Torkel Falkenberg#, Göran Kronvall#, Eduardo Gotuzzo**, Franco Paradisi*, and Gian Maria Rossolini†
Author affiliations: *Università di Firenze, Florence, Italy; †Università di Siena, Siena, Italy; ‡Hospital Apoyo Yurimaguas, Yurimaguas–Loreto, Peru; §Servicio Departamental de Salud Santa Cruz, Camiri, Bolivia; ¶Hospital Moyobamba, Moyobamba–San Martin, Peru; #Karolinska Institute, Stockholm, Sweden; **Universidad Peruana Cayetano Heredia, Lima, Peru

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Figure 3

Frequency of resistance phenotypes in 1,080 randomly selected antimicrobial drug–resistant Escherichia coli isolates from 4 urban areas of Bolivia and Peru. Black bars indicate the most frequent resistance and multidrug-resistance phenotype within each category: 1R, TET; 2R, AMP-SXT; 3R, AMP-TET-SXT; 4R, AMP-TET-SXT-CHL; 5R, AMP-TET-SXT-CHL-KAN; 6R, AMP-TET-SXT-CHL-NAL-CIP; 7R, AMP-TET-SXT-CHL-GEN-NAL-CIP; 8R, AMP-TET-SXT-CHL-KAN-GEN-NAL-CIP. AMP, ampicillin; TET, tetracycline; SXT, trimethoprim

Figure 3. Frequency of resistance phenotypes in 1,080 randomly selected antimicrobial drug–resistant Escherichia coli isolates from 4 urban areas of Bolivia and Peru. Black bars indicate the most frequent resistance and multidrug-resistance phenotype within each category: 1R, TET; 2R, AMP-SXT; 3R, AMP-TET-SXT; 4R, AMP-TET-SXT-CHL; 5R, AMP-TET-SXT-CHL-KAN; 6R, AMP-TET-SXT-CHL-NAL-CIP; 7R, AMP-TET-SXT-CHL-GEN-NAL-CIP; 8R, AMP-TET-SXT-CHL-KAN-GEN-NAL-CIP. AMP, ampicillin; TET, tetracycline; SXT, trimethoprim-sulfamethoxazole; CHL, chloramphenicol; KAN, kanamycin; GEN, gentamicin; NAL, nalidixic acid; CIP, ciprofloxacin.

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