Volume 16, Number 6—June 2010
Dispatch
Pulsed-field Gel Electrophoresis for Salmonella Infection Surveillance, Texas, USA, 2007
Stephen G. Long
, Herbert L. DuPont, Linda Gaul, Raouf R. Arafat, Beatrice J. Selwyn, Joan Rogers, and Eric Casey
, Herbert L. DuPont, Linda Gaul, Raouf R. Arafat, Beatrice J. Selwyn, Joan Rogers, and Eric CaseyTable 2
Ten Salmonella pulsed-field gel electrophoresis clusters among residents of Houston, Texas, USA, and 2 Houston singlet cases linked by PFGE to national outbreaks, detected May 1, 2007–December 31, 2007*
| Serotype | PFGE pattern, Xbal† | No. cases in Houston | No. other cases in DSHS database | Associated national outbreak | Common exposure or other link |
|---|---|---|---|---|---|
| Braenderup | JBPX01.0516 | 2 | 4 | PulseNet outbreak 0708HUJBP-1c | Traveled or resided in southern Texas |
| Corvallis | SCVX01.0014 | 2 | 0 | – | Unknown |
| Enteritidis | JEGX01.0004 | 13 | Numerous | PulseNet outbreak 0801PAJEG-1 | Egg consumption |
| Enteritidis | JEGX01.0005 | 6 | 25 | – | Unknown |
| Infantis | JFXX01.0022 | 3 | 5 | – | Unknown |
| Infantis | JFXX01.0041 | 5 | 1 | – | Unknown |
| Paratyphi b var. java | JKXX01.0014 | 4 | 2 | PulseNet outbreak 0710NCJKX-1c (7) | Contact with miniature turtles |
| Typhimurium | JPXX01.0276 | 2 | 0 | – | Unknown |
| Typhimurium | JPXX01.0621 | 3 | 3 | PulseNet outbreak 0801ORJPX-1c | Unknown |
| Typhimurium | JPXX01.0006 | 2 | 3 | Possible bovine outbreak (multistate) 0708MLJPX-1c | Unknown |
| Typhimurium | JPXX01.1037 | 1 | 0 | PulseNet outbreak 0704WIWWS-1c | Packaged vegetable product‡ |
| Typhimurium | JPXX01.1354 | 1 | 1 | PulseNet outbreak 0703MLJPX-2c | Contact with hamsters‡ |
*PFGE, pulsed-field gel electrophoresis; DSHS, Texas Department of State Health Services.
†PulseNet nomenclature.
‡The case was linked by PFGE to a PulseNet cluster, but the patient denied having been exposed to the hypothesized epidemiologic link.
