Volume 13, Number 10—October 2007
Dispatch
Multidrug-Resistant Salmonella Typhimurium, Pacific Northwest, United States
Margaret A. Davis*
, Thomas E. Besser*, Kaye Eckmann†, J. Kathryn MacDonald†, Donna Green†, Dale D. Hancock*, Katherine N.K. Baker*, Lorin D. Warnick‡, Yesim Soyer‡, Martin Wiedmann‡, and Douglas R. Call*
, Thomas E. Besser*, Kaye Eckmann†, J. Kathryn MacDonald†, Donna Green†, Dale D. Hancock*, Katherine N.K. Baker*, Lorin D. Warnick‡, Yesim Soyer‡, Martin Wiedmann‡, and Douglas R. Call*
Table 2
Human- and bovine-source Salmonella Typhimurium isolates from Washington that were XbaI-PFGE type TYP035 or TYP187*
| Year | Human |
Bovine |
|||||
|---|---|---|---|---|---|---|---|
| TYP035 | TYP187 | Total no.† (%)‡ | TYP035 | TYP187 | Total no.† (%)‡ | ||
| 2000 | 1 | 0 | 222 (0.5) | 16 | 0 | 61 (26.2) | |
| 2001 | 1 | 0 | 174 (0.6) | 18 | 0 | 47 (38.3) | |
| 2002 | 8 | 0 | 143 (5.6) | 10 | 0 | 31 (32.3) | |
| 2003 | 13 | 0 | 153 (8.5) | 5 | 0 | 13 (38.5) | |
| 2004 | 7 | 0 | 143 (4.9) | 10 | 1 | 26 (42.3) | |
| 2005 | 18 | 0 | 124 (8.9) | 12 | 2 | 29 (48.3) | |
| 2006 | 3 | 7 | 118 (8.5) | 8 | 12 | 39 (51.3) | |
*For human isolates only a single isolate per individual was included, and for bovine isolates only independent isolates were included. PFGE, pulsed-field gel electrophoresis.
†Total number of unique S. Typhimurium isolates.
‡Percentage of the total that were part of the TYP035-TYP187 clade.
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