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Volume 14, Number 3—March 2008
Research

Integrated Food Chain Surveillance System for Salmonella spp. in Mexico1

Mussaret B. Zaidi*Comments to Author , Juan Jose Calva†, Maria Teresa Estrada-Garcia‡, Veronica Leon*, Gabriela Vazquez§, Gloria Figueroa§, Estela Lopez¶, Jesus Contreras#, Jason Abbott**, Shaohua Zhao**, Patrick McDermott**, and Linda Tollefson††
Author affiliations: *Hospital General O’Horan, Mérida, Mexico; †Instituto Nacional de Ciencias Medicas y Nutricion, Salvador Zubiran, Mexico City, Mexico; ‡Centro de Investigacion y Estudios Avanzados del Instituto Politécnico Nacional, Mexico City, Mexico; §Secretaría de Salud del Estado de Michoacan, Morelia, Mexico; ¶Laboratorio Estatal de Salud Pública y Hospital Central, Servicios de Salud del Estado de San Luis Potosí, San Luis Potosi, Mexico; #Hospital Infantil del Estado de Sonora, Hermosillo, Mexico; **Food and Drug Administration, Laurel, Maryland, USA; ††Food and Drug Administration, Rockville, Maryland, USA;

Main Article

Table 3

Antimicrobial drug resistance in Salmonella isolates from humans, retail meat, and food animals in Mexico, 2002–2005*

Source % Resistant†
AMP CHL CIP CRO GEN KAN NAL STR SU SXT TET
Ill humans (n = 392) 25.5 23.4 0.0 14.5 11.7 11.2 24.6 61.1 49.7 24.3 41.2
Asymptomatic children (n = 373) 7.8 8.4 0.0 1.4 2.2 0.5 8.6 45.9 35.4 8.0 26.1
Chicken‡ (n = 546) 7.7 7.4 0.0 3.6 2.6 1.8 30.6 58.9 38.9 11.5 36.8
Swine‡ (n = 1,237) 18.3 22.9 0.6 4.2 8.4 9.0 26.0 73.1 62.1 24.2 55.3
Cattle‡ (n = 767) 11.9 14.1 0.0 1.2 6.6 7.2 20.8 71.6 53.1 19.2 48.8

*AMP, ampicillin; CHL, chloramphenicol; CIP, ciprofloxacin; CRO, ceftriaxone; GEN, gentamicin; KAN, kanamycin; NAL, nalidixic acid; STR, streptomycin; SU, sulfisoxazole; SXT, trimethoprim-sulfamethoxazole; TET, tetracycline.
†Includes resistant and intermediate.
‡Includes isolates from food-animal intestines and the corresponding retail meat.

Main Article

1Presented in part at the International Association for Food Protection 93rd Annual Meeting, August 13–16, 2006, Calgary, Alberta, Canada.

Page created: July 07, 2010
Page updated: July 07, 2010
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The conclusions, findings, and opinions expressed by authors contributing to this journal do not necessarily reflect the official position of the U.S. Department of Health and Human Services, the Public Health Service, the Centers for Disease Control and Prevention, or the authors' affiliated institutions. Use of trade names is for identification only and does not imply endorsement by any of the groups named above.
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