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Volume 9, Number 1—January 2003

Dispatch

Household Contamination with Salmonella enterica1

Daniel H. Rice*Comments to Author , Dale D. Hancock*, Paivi M. Roozen*, Maryanne H. Szymanski*, Beth C. Scheenstra*, Kirsten M. Cady*, Thomas E. Besser*, and Paul A. Chudek†
Author affiliations: *Washington State University, Pullman, Washington, USA; †Whatcom County Health and Human Services, Bellingham, Washington, USA

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Table 2

Log10 CFU/mL Salmonella enterica (standard error) on contaminated carpet segments cleaned with a commercial carpet cleaner followed by different sanitizers



Cleaned by a commercial carpet cleaner followed by
Control No sanitizer Chlorhexidinea Phenolic disinfectantb Quaternary ammoniumc
No. carpet segments/treatment
1
2
2
2
2
Pretreatment
2.87
3.36 (0.18)
2.44 (0.16)
3.18 (0.02)
3.28 (0.11)
Posttreatment
2.60
2.26 (0.09)
2.54 (0.36)
0.81 (0.81)
1.67 (0.27)
Mean change -0.27 -1.10 (0.27) 0.10 (0.52) -2.37 (0.79) -1.61 (0.38)

aVirosan Bio-Ceutic, Boehringer Ingelheim Vetmedica., St Joseph, MO.
bLpH Ag, STERIS Corp., St. Louis, MO.
cLysol, Reckitt Benckiser Inc., Wayne, NJ.
1 This study was performed at the Field Disease Investigation Unit, Department of Veterinary Clinical Sciences, College of Veterinary Medicine, Washington State University, Pullman, WA 99164-7060, USA.

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