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Judy Greig

Researcher at Public Health Agency of Canada

Publications -  57
Citations -  5080

Judy Greig is an academic researcher from Public Health Agency of Canada. The author has contributed to research in topics: Food safety & Outbreak. The author has an hindex of 29, co-authored 57 publications receiving 4000 citations. Previous affiliations of Judy Greig include Ontario Veterinary College.

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Journal ArticleDOI

Analysis of foodborne outbreak data reported internationally for source attribution.

TL;DR: The usefulness of foodborne outbreak data extracted from publicly available international electronic reports and publications to provide estimates of food attribution is explored, to derive and compare these estimates between regions, while improving the understanding of the pathogen/food vehicle combination.
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Outbreaks where food workers have been implicated in the spread of foodborne disease. Part 1. Description of the problem, methods, and agents involved.

TL;DR: Multiple foods and multi-ingredient foods were identified most frequently with outbreaks, perhaps because of more frequent hand contact during preparation and serving; hepatitis A virus remains static, whereas norovirus and maybe nontyphoidal Salmonella are increasing.
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Outbreaks where food workers have been implicated in the spread of foodborne disease. Part 3. Factors contributing to outbreaks and description of outbreak categories.

TL;DR: The most frequently reported factor associated with the involvement of the infected worker was bare hand contact with the food followed by failure to properly wash hands, inadequate cleaning of processing or preparation equipment or utensils, cross-contamination of ready-to-eat foods by contaminated raw ingredients, and (for bacterial pathogens) temperature abuse.
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Outbreaks where food workers have been implicated in the spread of foodborne disease. Part 6. Transmission and survival of pathogens in the food processing and preparation environment.

TL;DR: The most frequent means of worker contamination is the fecal-oral route, and study results have indicated that toilet paper may not stop transmission of pathogens to hands, but contact with raw foods of animal origin, worker aerosols, vomitus, and exposed hand lesions also have been associated with outbreaks.