Deer Meat as the Source for a Sporadic Case of<i>Escherichia coli</i>O157:H7 Infection, Connecticut1

Rabatsky‐Ehr, Therese; Dingman, Douglas W.; Marcus, Ruthanne; Howard, Robert T.; Kinney, Aristea; Mshar, P.

doi:10.3201/eid0805.010373

Cited by 53 publications

(33 citation statements)

References 8 publications

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“…EHEC O157 has been repeatedly isolated from deer [143] and the consumption of deer venison has been associated with human infections [86,139]; these episodes also underline the risk of products derived from private slaughtering.…”

Section: Other Ruminant Speciesmentioning

confidence: 99%

Enterohaemorrhagic Escherichia coli: emerging issues on virulence and modes of transmission

et al. 2005

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-Enterohaemorrhagic Escherichia coli (EHEC) constitute a subset of serotypes (E. coli O157 and some other serogroups) of Shiga toxin (Stx)-producing E. coli (STEC) firmly associated with severe human illnesses like bloody diarrhoea and haemolytic uraemic syndrome. Stx production is essential but not sufficient for EHEC virulence. Most strains are capable of colonising the intestinal mucosa of the host with the "attaching and effacing" mechanism, genetically governed by a large pathogenicity island (PAI) defined as the Locus of Enterocyte Effacement. Other virulence factors carried by mobile genetic elements like PAI and plasmids have been recently described, and their role in the pathogenic process has not been fully elucidated. EHEC are zoonotic pathogens. They rarely cause disease in animals, and ruminants are recognised as their main natural reservoir. Cattle are considered to be the most important source of human infections with EHEC O157, and the ecology of the organism in cattle farming has been extensively studied. The organism has also been reported in sheep, goats, water buffalos, and deer. Pigs and poultry are not considered to be a source of EHEC and the sporadic reports may derive from accidental exposure to ruminant dejections. The epidemiology of EHEC infections has remarkably changed during the past ten years and an increasing number of unusual food vehicles have been associated with human infections. New routes of transmission have emerged, like contact with animals during farm visits and a wide variety of environment-related exposures. As for other zoonotic agents, having animals and raw products that are free from EHEC is not possible in practice. However, their occurrence can be minimised by applying high standards of hygiene in all the steps of the food production chain.

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Section: Other Ruminant Speciesmentioning

confidence: 99%

Enterohaemorrhagic Escherichia coli: emerging issues on virulence and modes of transmission

et al. 2005

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“…In addition, these deer potentially could contaminate recreational or drinking waters. Indeed, wild deer have been implicated as the source of fecal contamination in human infections of Escherichia coli O157 associated with the consumption of venison (Keene et al, 1997;Rabatsky-Ehr et al, 2002) and were identified as one of the potential sources of fecal contamination in outbreaks of E. coli O157 associated with unpasteurized apple juice (Cody et al, 1999) and contaminated lake water (Feldman et al, 2002). In agricultural areas, deer feces could contaminate produce or livestock feed crops, and wild deer may have direct or indirect contact with food-producing livestock, particularly pastured livestock, resulting in bidirectional transmission.…”

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confidence: 99%

Prevalence and Serovars of Salmonella in the Feces of Free-Ranging White-Tailed Deer (Odocoileus virginianus) in Nebraska

Renter

Gnad

Sargeant

et al. 2006

Journal of Wildlife Diseases

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ABSTRACT:To determine the prevalence and serovars of Salmonella in free-ranging deer, we cultured feces from white-tailed deer (Odocoileus virginianus) harvested by hunters during a regular firearm season in southeastern Nebraska (USA). We recovered Salmonella from 5 (1%; 95% confidence interval: 0.37-2.20%) of 500 samples and identified four different Salmonella enterica serovars [Litchfield (1), Dessau (1), Infantis (2), and Enteritidis (1)]. Although the prevalence of Salmonella in free-ranging deer appears to be low, the serovars recovered are known to be pathogenic to humans and animals.

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“…Deer have been implicated in foodborne transmission of EC O157 in a sporadic case (Rabatsky-Ehr et al, 2002) and an outbreak (Keene et al, 1997) associated with consumption of contaminated venison. A larger outbreak involved consumption of unpasteurized apple juice, and deer were implicated as a potential source of EC O157 (Cody et al, 1999).…”

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confidence: 99%

Prevalence of Escherichia coli O157:H7 in White-tailed Deer from Louisiana

Dunn

Keen

Moreland

et al. 2004

Journal of Wildlife Diseases

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Escherichia coli O157:H7 (EC O157) is an important zoonosis. White-tailed deer (Odocoileus virginianus) have been implicated in transmission of this bacterium to humans and have been suggested as reservoirs that might affect carriage in cattle populations. Our study objectives were to estimate prevalence of EC O157 in feces of hunter-harvested deer and to describe fecal shedding patterns in a captive herd sampled over 1 yr. Prevalence of EC O157 in hunter-harvested deer was 0.3% (nϭ338). In August 2001, EC O157 was detected in one of 55 deer (1.8%) from the captive herd. Prevalence over the 1-yr period was 0.4% (nϭ226). Escherichia coli O157:H7 was rarely isolated from hunter-harvested deer during the winter. We could not describe a seasonal shedding pattern based on one positive sample in the captive herd. These data do not support a prominent role of deer as a reservoir for EC O157 for cattle or humans.

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Deer Meat as the Source for a Sporadic Case ofEscherichia coliO157:H7 Infection, Connecticut1

Cited by 53 publications

References 8 publications

Enterohaemorrhagic Escherichia coli: emerging issues on virulence and modes of transmission

Enterohaemorrhagic Escherichia coli: emerging issues on virulence and modes of transmission

Prevalence and Serovars of Salmonella in the Feces of Free-Ranging White-Tailed Deer (Odocoileus virginianus) in Nebraska

Prevalence of Escherichia coli O157:H7 in White-tailed Deer from Louisiana

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