TABLE 1.
Characteristics of 14 ESC-resistant Salmonella strains
| Strain | Serotype | Patient dataa
|
Likely place of acquisition | Isolation date | β-Lactams to which strain is resistant | β-Lactamase(s) produced | Other antibiotics to which strain is resistant | |
|---|---|---|---|---|---|---|---|---|
| Gender | Age (mo) | |||||||
| ST1 | Typhimurium | M | 4 | District hospital A | October 2000 | AMP, AMC, TIM, FOX, ESCb | CMY-2, TEM-1 | GEN, TOB, S, TET, CHLc |
| ST2 | Typhimurium | M | 1 | Community | October 2000 | AMP, AMC, TIM, FOX, ESC | CMY-2, TEM-1 | GEN, TOB, S, TET, CHL |
| ST3 | Typhimurium | F | 1 | Community | November 2000 | AMP, AMC, TIM, FOX, ESC | CMY-2, TEM-1 | GEN, TOB, S, TET, CHL |
| ST4 | Typhimurium | M | 2 | Community | November 2000 | AMP, AMC, TIM, FOX, ESC | CMY-2, TEM-1 | GEN, TOB, S, TET, CHL |
| ST5 | Typhimurium | M | 4 | Community | November 2000 | AMP, ESC | SHV-5, TEM-1 | GEN, TOB, S, TET, CHL |
| ST6 | Typhimurium | F | 3 | Community | November 2000 | AMP, AMC, TIM, FOX, ESC | CMY-2, TEM-1 | GEN, TOB, S, TET, CHL |
| ST7 | Typhimurium | F | 2 | District hospital B | December 2000 | AMP, AMC, TIM, FOX, ESC | CMY-2 | S, TET, CHL |
| ST8 | Typhimurium | M | 6 | Community | December 2000 | AMP, AMC, TIM, FOX, ESC | CMY-2, TEM-1 | GEN, TOB, S, TET, CHL |
| ST9 | Typhimurium | M | 1 | Community | December 2000 | AMP, AMC, TIM, FOX, ESC | CMY-2, TEM-1 | GEN, TOB, S, TET, CHL |
| ST10 | Typhimurium | M | 10 | Community | December 2000 | AMP, AMC, TIM, FOX, ESC | CMY-2, TEM-1 | GEN, TOB, S, TET, CHL |
| ST11 | Typhimurium | F | 10 | Nursing home | December 2000 | AMP, AMC, TIM, FOX, ESC | CMY-2, TEM-1 | GEN, TOB, S, TET, CHL |
| ST12 | Typhimurium | F | 5 | Community | February 2001 | AMP, AMC, TIM, FOX, ESC | CMY-2, TEM-1 | GEN, TOB, S, TET, CHL |
| ST13 | Typhimurium | M | 2 | Community | February 2001 | AMP, AMC, TIM, FOX, ESC | CMY-2, TEM-1 | GEN, TOB, S, TET, CHL |
| SH14 | Heidelberg | M | 2 | Community | February 2001 | AMP, AMC, TIM, FOX, ESC | CMY-2, TEM-1 | GEN, TOB, S, TET, CHL |
a
M, male; F, female.
b
AMP, ampicillin; AMC, amoxicillin-clavulanic acid; TIM, ticarcillin-clavulanic acid; FOX, cefoxitin.
c
GEN, gentamicin; TOB, tobramycin; S, sulfonamides; TET, tetracycline; CHL, chloramphenicol.