Tag Archives: dr bill keene

Hydro-Harvest alfalfa sprouts

Outbreak: Hydro-Harvest alfalfa sprouts 
Product: Alfalfa sproutsInvestigation Start Date: 02/01/1999
Location: Multi-State: OR, WA, ID.Etiology: Salmonella Mbandaka
Earliest known case onset date: 01/09/1999Latest case onset date: 06/12/1999
Confirmed / Presumptive Case Counts: 43 / 0Positive Samples (Food / Environmental / Water) 12 / 0 / 0
OUTBREAK SUMMARY:

The increasing popularity of sprouts as health foods was sharply followed by the epidemiologic discovery that sprouts are prone to transmitting foodborne pathogens like Salmonella. This was the largest "sproutbreak" of foodborne salmonellosis in Oregon since the multistate and multinational outbreak of Salmonella Newport infection in 1996, in which … Continue Reading ››

Cal-Farms Parsley

Outbreak: Cal-Farms Parsley 
Product: ParsleyInvestigation Start Date: 10/20/2005
Location: Deschutes County, OREtiology: E. coli (STEC) O157:H7
Earliest known case onset date: 10/08/2005Latest case onset date: 10/27/2005
Confirmed / Presumptive Case Counts: 3 / 61Positive Samples (Environmental / Water) 10 / 2
OUTBREAK SUMMARY:

This 2005 McGrath's Fish House outbreak of E. coli O157:H7 infections was traced back to parsley from Cal-Farms. The journey to finding the source was interesting: 206 people interviewed, 64 ill people, extremely muddy field conditions, cattle near the flooded parsley fields, and even evidence of heavy deer presence.