Hemorrhagic Colitis Associated With a Rare Escherichia Coli Serotype.

Riley, Lee W.

doi:10.1097/00006454-198307000-00031

Cited by 826 publications

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“…The attack rate (28 %) was comparable with other outbreaks (2, 4, 5). The modal incubation period of 2 days was shorter than reported elsewhere (1,5) and similar to that reported for enterotoxigenic E. coli. Excretion of the organism was identified up to 16 days after the reception and up to 14 days after onset of illness.…”

Section: Discussionsupporting

confidence: 82%

A christening party outbreak of haemorrhagic colitis and haemolytic uraemic syndrome associated with Escherichia coli O 157. H7

Salmon

Farrell²,

Hutchison³

et al. 1989

Epidemiol. Infect.

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SUMMARYA point source outbreak of haemorrhagic colitis due to Escherichia coli 0 157. 117 producing verocytotoxin (VT), took place following a christening party in Birmingham in June 1987. Twenty-six people were affected, six were admitted to hospital and one developed haemolytic uraemic syndrome: there were no deaths. VT + E. coli 0 157. H7 was isolated from 13 (57 %) of 23 faecal specimens from affected people and from 3 (90%)) of 33 specimens from asymptomatic people.Free VT was detected in the faeces of one further asymptomatic person. Illness was associated with eating turkey-roll sandwiches (P < 0.00 1) suggesting that cold meats might be an important source of infection.

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Section: Discussionsupporting

confidence: 82%

A christening party outbreak of haemorrhagic colitis and haemolytic uraemic syndrome associated with Escherichia coli O 157. H7

Salmon

Farrell²,

Hutchison³

et al. 1989

Epidemiol. Infect.

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“…Interest in VT has recently increased as a result of reports that certain strains of E. coli, especially those of serotype 0157 H 7, associated with outbreaks of haemorrhagic colitis in the United States and Canada produce VT (Riley et al 1983;Johnson, Lior & Bezanson, 1983). Some workers have referred to these strains as enterohaemorrhagic E. coli (EHEC).…”

Section: Pathogenesismentioning

confidence: 99%

Escherichia colidiarrhoea

Gross

Rowe

1985

J. Hyg.

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Ever since Escherich (1885) first isolated the organism now known asEscherichia colifrom the stools of infants, medical microbiologists have been faced with the problem of distinguishing between those strains capable of causing diarrhoea and those that are harmless gut commensals. Epidemiological investigations were greatly facilitated by the description by Kauffmann (1947) of a serotyping scheme forE. coli, and Taylor (1961) later reported that 17 0 serogroups ofE. colihad been implicated as possible causes of epidemic infantile enteritis. These infantile enteropathogenicE. coli(EPEC), having been discovered by epidemiological studies using serotyping, belonged by definition to a restricted range of serogroups. More recently it was shown that otherE. colistrains may produce enterotoxins, and these enterotoxigenicE. coli(ETEC) usually belong to particular serogroups which are different from those associated with EPEC.E. colistrains belonging to a third range of serogroups may cause an illness resembling shigella dysentery, and these may be regarded as entero-invasiveE. coli(EIEC).E. colistrains that cause diarrhoea may therefore be considered as three groups, as follows.

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“…In N. America, beef, beef products and untreated milk have been suggested as possible sources of VTEC infection for man [1,2]. In the UK, verocytotoxinproducing (VT') E. coli 0157, the most common serogroup associated with illness in man, have been isolated from cattle [3][4][5] but the organism has been isolated only rarely from food [4,5] and its epidemiology therefore remains unclear.…”

Section: Introductionmentioning

confidence: 99%

Immunomagnetic separation as a sensitive method for isolatingEscherichia coliO157 from food samples

Wright¹,

Chapman²,

Siddons³

1994

Epidemiol. Infect.

181

101

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SUMMARYMinced beef samples inoculated with Escherichia coli 0157 were cultured in buffered peptone water supplemented with vancomycin, cefsulodin and cefixime (BPW-VCC) and subcultured to cefixime tellurite sorbitol MacConkey (CT-SMAC) agar both directly and after immunomagnetic separation (IMS) of the organism with magnetic beads coated with an antibody against E. coli 0157 (Dynabeads anti-E. coli 0157, Dynal, Oslo). E. coli 0157 was recovered from initial inocula of 200 organisms/g by direct subculture and 2 organisms/g by IMS. Twelve strains of E. coli 0157 of different combinations of phage type, H antigen and toxin genotype were all recovered from initial inocula of two organisms/g by IMS. Nonspecific binding of other organisms to the magnetic beads could be reduced by washing of the beads in PBS with Tween-20 0.002-0.005% E. coli 0157 was not bound by magnetic coated with an unrelated antibody.During investigation of a dairy herd that was possibly linked to a small outbreak of infection with E. coli 0157, the organism was isolated from 2 of 279 forestream milk samples from individual cattle; both isolates were made only by the IMS technique. IMS is rapid, technically simple, and a specific method for isolation of E. coli 0157 and will be useful in epidemiological studies.

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Hemorrhagic Colitis Associated With a Rare Escherichia Coli Serotype.

Cited by 826 publications

References 0 publications

A christening party outbreak of haemorrhagic colitis and haemolytic uraemic syndrome associated with Escherichia coli O 157. H7

A christening party outbreak of haemorrhagic colitis and haemolytic uraemic syndrome associated with Escherichia coli O 157. H7

Escherichia colidiarrhoea

Immunomagnetic separation as a sensitive method for isolatingEscherichia coliO157 from food samples

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