Haemorrhagic colitis in child after visit to farm visitor centre

Parry, S.M.; Salmon, RL; Willshaw, G. A.; Cheasty, T.; Lund, Lisbeth; Wearden, Peter D.; Quoraishi, A. H.; Fitzgerald, Tadhg

doi:10.1016/s0140-6736(95)91407-2

Cited by 30 publications

(19 citation statements)

References 3 publications

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“…coli O157 is part of the normal gut flora of cattle; however, it is also carried by sheep and other animals (Chapman et al, 1997). Contact with animals is an important route of transmission for human infection (Parry et al, 1995;Milne et al, 1999). However, the consumption of contaminated food has been the source of well-documented outbreaks of (Duffell et al, 2003;Pennington, 1997).…”

Section: Introductionmentioning

confidence: 99%

Laboratory-based surveillance of human verocytotoxigenic Escherichia coli infection in the Republic of Ireland, 2002–2004

Carroll

Gibson

McNamara

2005

Journal of Medical Microbiology

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The aim of this study was to examine the frequency and distribution of human verocytotoxigenic Escherichia coli (VTEC) O157 and non-O157 in the Republic of Ireland, and also to examine the presence of virulence genes in these isolates. This genetic information combined with phenotypic tests was used to produce a complete laboratory-based surveillance of human clinical VTEC infection in the Republic of Ireland between 2002 and 2004. Between January 2002 and December 2004 a total of 207 VTEC isolates were studied (one isolate per patient), 185 (89 %) of these were E. coli O157. The remaining 22 (11 %) were non-O157 E. coli, made up of 15 (7 . 2 %) E. coli O26, one (0 . 5 %) E. coli O103, one (0 . 5 %) E. coli O146, one (0 . 5 %) E. coli O145, two (1 %) E. coli O111 and two (1 %) ungroupable VTEC. These isolates originated from the eight health boards in the Republic of Ireland and represented over 90 % of the clinical cases of VTEC in the Republic of Ireland during this period. The results showed that VTEC O157 was the predominant serogroup and had a predominant toxin genotype of VT2 alone. Phage type 32 was the most common phage type of E. coli O157 identified. Non-O157 VTEC was a small proportion of all VTEC (10 % in 2002, 8 % in 2003, 15 . 5 % in 2004). In 2004 it was noted that there was an increase in the number and variety of non-O157 VTEC strains; however, this requires further monitoring in the future to see if this trend is sustained. It was also noted throughout the study period that the incidence of VTEC was higher in rural areas. Implementation of real-time PCR for the detection and subtyping of VTEC has aided outbreak investigations and is important for enhanced surveillance of VTEC in the Republic of Ireland.

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Section: Introductionmentioning

confidence: 99%

Laboratory-based surveillance of human verocytotoxigenic Escherichia coli infection in the Republic of Ireland, 2002–2004

Carroll

Gibson

McNamara

2005

Journal of Medical Microbiology

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“…Most reports are of single cases or small clusters, and few have permitted extensive epidemiologic investigations to establish risk factors for infection. [3][4][5][6][7][8] Outbreaks of E. coli O157:H7 infection caused by transmission from farm animals or their environment were recognized in the United States during 2000. 9 We describe an outbreak that is notable for two reasons: the number of cases permitted extensive characterization of risk factors, and a concurrent environmental study of the farm was conducted to define sources of infection.…”

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confidence: 99%

An Outbreak ofEscherichia coliO157:H7 Infections among Visitors to a Dairy Farm

et al. 2002

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“…E. coli O157 has also been isolated from farm animals, wild birds and household pets [9][10][11]. Direct spread has been shown to occur from animals to their keepers and to members of the public at farm visitor centres [12][13][14][15][16]. Person-to-person transmission, particularly relevant in outbreaks associated with day-care nurseries and nursing homes, is well recognized [17][18][19][20][21][22][23], as are water-borne outbreaks, due mainly to faecal contamination of drinking water or recreational bathing water [24][25][26][27][28][29][30].…”

Section: Introductionmentioning

confidence: 99%

An outbreak of Escherichia coli O157 gastroenteritis in a care home for the elderly

et al. 2006

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In the summer of 2001 an outbreak of Escherichia coli O157 gastroenteritis affected staff and residents of a care home for the elderly in the West Midlands, UK. E. coli O157 phage type 2 was isolated from faeces in eight patients and 12 staff members. Thirty-five staff and 40 residents met the case definition for clinical gastrointestinal infection. Serological testing identified a further 14 possible cases of infection amongst asymptomatic staff and residents. The outbreak was atypical, as the disease seemed to be milder than has been observed in past outbreaks in similar settings. The index case, a member of staff, developed bloody diarrhoea and haemolytic-uraemic syndrome (HUS), but only one resident developed bloody diarrhoea and required hospitalization. No deaths occurred, despite the high-risk nature of the affected population. The source of the outbreak could not be identified. The prolonged nature of the outbreak and observed lapses in infection control practices indicated that person-to-person spread was the likely route of transmission. This outbreak illustrates the importance of observing appropriate infection control measures in the institutions providing residential and nursing care to the elderly.

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Haemorrhagic colitis in child after visit to farm visitor centre

Cited by 30 publications

References 3 publications

Laboratory-based surveillance of human verocytotoxigenic Escherichia coli infection in the Republic of Ireland, 2002–2004

Laboratory-based surveillance of human verocytotoxigenic Escherichia coli infection in the Republic of Ireland, 2002–2004

An Outbreak ofEscherichia coliO157:H7 Infections among Visitors to a Dairy Farm

An outbreak of Escherichia coli O157 gastroenteritis in a care home for the elderly

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