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Tracking an Outbreak

NDSU E. coli Alert Issued After Worker Falls Sick

North Dakota State University (NDSU) has warned members of its campus to take extra precautions against the spread of bacteria because an employee who works with E. coli has fallen ill.ecoli-bacteria

Tests have not confirmed yet whether the scientist is infected…

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Nestle Outbreak: FDA inspection of Nestle USA Danville, Virginia Plant

Nestle Outbreak FDA InspectionOn June 16, 2009, three days before the Nestle Toll House recall, the FDA began an inspection of the Nestle USA Danville, Virginia plant that had manufactured the Nestle Toll House cookie dough that has been linked to over 70…

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Probe of E. coli in Nestle Toll House Chocolate Chip Cookie Dough

Cookie Dough LawsuitState and federal health investigators have obtained growing evidence of a possible E. coli O157:H7 outbreak associated with chocolate chip cookie dough, but no recalls of any brand, including Nestle Toll House, have been announced at this time.

But late today,…

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Michigan E. coli: Evidence Pointing to Aunt Mid’s Iceberg Lettuce

orangeecoliMichigan health officials have associated a Michigan E. coli O157:H7 outbreak that has sickened at least 35 people with iceberg lettuce distributed by Aunt Mid’s Produce Company because several of the people who were diagnosed with E. coli infections ate Aunt Mid’s lettuce before…

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Professor Daniel Fung on Lettuce and E. coli Contamination

As the country faces yet another recall of lettuce due to possible E. coli O157:H7 contamination, it is apparent that federal and state health officials and the lettuce industry have not taken adequate measures to prevent contamination.

Professor Daniel Fung, a food…

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Tracing a Food Implicated in an E. coli Outbreak

The Step-by-Step Process for Tracing a Food Implicated in an E. coli Outbreak:

  1. A person experiencing the symptoms of E. coli (watery and/or bloody diarrhea, abdominal cramps, nausea, fever, vomiting, and/or body aches) goes to the doctor. The doctor makes an initial diagnosis,…

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What is PulseNet?

pulsenetIn recent years, uncovering and tracking foodborne outbreaks involving bacterial pathogens has become vastly easier with PulseNet. The following is from the CDC PulseNet site:

PulseNet is a national network of public health and food regulatory agency laboratories coordinated by the…

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Pulse-Field Gel Electrophoresis (PFGE)

dna-fingerprinting-pfgePulse-field gel electrophoresis (PFGE) is the DNA “fingerprinting” method that scientists use to determine the source of bacterial foodborne outbreaks.

How Does PFGE Work?

The DNA of the bacterial pathogen responsible for a foodborne illness is digested into pieces by reacting the…

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What is an E. coli Outbreak?

ecoli-micrographAn E. coli outbreak is an incident in which 2 or more cases of E. coli result from the same source. To determine if 2 or more people contracted E. coli from the same source, health officials conduct DNA fingerprinting of E. coli isolates…

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What is FoodNet

FoodNet is a joint effort by the CDC, FDA, USDA, and state health departments to monitor trends in the occurence of foodborne illness. The CDC funds cooperative agreements with some state and local health departments to conduct population-based surveillance and…

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