Rebecca J Gross

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In a three year study of children under 16 years with haemolytic uraemic syndrome faecal samples were examined for the presence of Verocytotoxin producing Escherichia coli (VTEC) using DNA probes and for free neutralisable Verocytotoxin in a Vero cell assay with specific antisera. There was evidence of VTEC infection in 58 of 185 (31%) samples. A total of(More)
Escherichia coli strains isolated from outbreaks of diarrheal disease were tested for the presence of adhesive factors. Fifty-one of these strains belonged to traditional infantile entero-pathogenic serotypes (EPEC) and 17 belonged to other serotypes. None of these strains were enterotoxigenic and none possessed colonization factors CFA/I or CFA/II, which(More)
A year-long outbreak of multiresistant Escherichia coli K52 H1, predominantly serogroup O15, is reported from south east London. Most patients had urinary tract infections, some with septicaemia; but some cases of septicaemia were associated with pneumonia, meningitis, and endocarditis--unusual infections for E coli. 3 of these patients died. The organism(More)
Five bacteriophage stocks were prepared after enrichment of a sewage sample using Escherichia coli 02:K1:H4 (strain U9/41). The bacteriophages were tested for their ability to lyse 224 strains of E. coli that had been tested for the presence of the K1 antigen by means of an antiserum-agar diffusion technique, using a meningococcus group B antiserum known to(More)
During epidemiological studies carried out in urban and rural areas of the midwestern Canadian province of Manitoba, we cultured enterotoxigenic Escherichia coli (ETEC) from 16 (1.7%) of 945 diarrheal stools and 4 (0.3%) of 1,282 normal stools. ETEC was found in not more than 2.3% of diarrheal stools obtained from any population during any season. Diarrhea(More)
A novel organ- and age-specific pattern of polyomavirus DNA replication in mice is described. Two broadly defined classes of response to polyomavirus infection were observed: class I organs (mammary gland, bone, and skin) responded with high levels of replication in neonate mice and moderate levels in adults; class II organs (kidney, liver, and lung)(More)
Faecal specimens from 66 children with haemolytic uraemic syndrome in the United Kingdom were examined for strains of Escherichia coli producing Vero cytotoxin (VT). Initially, conventional bacteriological methods were used to identify colonies of E. coli which were then tested for VT production. Subsequently, specific DNA probes for VT1 and VT2 were used(More)
This study compares the way English-speaking children and adult second language learners of English resolve relative clause attachment ambiguities in sentences such as The dean liked the secretary of the professor who was reading a letter. Two groups of advanced L2 learners of English with Greek or German as their L1 participated in a set of off-line and(More)
A previous study suggested that patient-practitioner agreement and follow-up in ambulatory care facilitates problem resolution as judged by patients. In this study in another medical practice, practitioner-patient agreement on what problems required follow-up was associated with greater problem resolution as judged by the practitioners regardless of the(More)