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Volume 9, Number 4—April 2003

Research

Alfalfa Seed Decontamination in Salmonella Outbreak

Christopher J. Gill*†, William E. Keene*Comments to Author , Janet C. Mohle-Boetani‡, Jeff A. Farrar§, Patti L. Waller¶, Christine G. Hahn#, and Paul R. Cieslak*
Author affiliations: *Oregon Department of Human Services, Portland, Oregon, USA;; †Tufts University-New England Medical Center, Boston, Massachusetts, USA; ‡California Department of Health Services, Berkeley, California, USA; §California Department of Health Services, Sacramento, California, USA; ¶Washington State Department of Health, Shoreline, Washington, USA; #Idaho Department of Health and Welfare, Boise, Idaho, USA

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Table

Fate of lot L alfalfa seeds

Sprouter (state) Quantity purchased (kg) Quantity sprouted (kg) Seed disinfection Linked cases
Sprouter X (Washington)
 909
 860
 None
 68
Sprouter Y (California)
 1,818
 1,750
 None
 21
Sprouter E (Florida)
 909
 909
 20,000 ppm Ca(OCl)2
 0
Sprouter F (California)
 909
 45
 20,000 ppm Ca(OCl)2
 0
Sprouter G (California)
 450
 300
 500 ppm NaOCl
 0
Sprouter H (California)
 450
 0
 NDa
 0
Totals 5,454 3,864

          aND, not determined. The method of disinfection did not apply to sprouter H because this sprouter had not used any lot L seeds by the time of the embargo.

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