Publications

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characterization of cross-reacting serotypes of campylobacter jejuni.some strains of campylobacter jejuni react with more than one reference antiserum from the serotyping scheme based on heat-stable lipopolysaccharide antigens. to investigate the molecular basis of these cross-reactions, lipopolysaccharides from the reference strains for serotypes 4, 13, 16, 43, and 50 and isolates recovered during two different outbreaks of c. jejuni enteritis were analyzed by passive haemagglutination and sodium dodecyl sulphate-polyacrylamide gel electrophoresis coupled with s ...19892472859
an outbreak of food-borne campylobacter jejuni infection and the possible role of cross-contamination.a point-source outbreak or campylobacter infection affected 24 of 51 delegates attending a business lunch. failure to detect any specific vehicle for the infection led to observations of kitchen practice. experiments demonstrated that cross-contamination as a result of handling raw and cooked food consecutively was a possible cause of the outbreak.19883183409
the extent of surface contamination of retailed chickens with campylobacter jejuni serogroups.eighty-two chickens purchased at 11 retailers (supplied by 12 wholesalers) in the south of england were cultured for campylobacter jejuni by a method involving total immersion. the organism was isolated from 22 (48%) of 46 fresh birds, 12 of 12 uneviscerated (new york dressed) birds, but only 1 of 24 frozen birds. viable counts of up to 1.5 x 10(6)/chicken were obtained from fresh birds and 2.4 x 10(7)/chicken from uneviscerated birds. surface swabbing of breasts, thighs, wings and vents of fres ...19883338503
evidence of udder excretion of campylobacter jejuni as the cause of milk-borne campylobacter outbreak.we describe a community outbreak of campylobacter enteritis associated with the consumption of untreated milk, apparently contaminated by two cows with campylobacter mastitis. the outbreak occurred in two phases. strains of campylobacter jejuni of the penner serogroup complex 4, 13, 16, 50 and preston biotype code 6100 were isolated from patients in both episodes and from the faeces of the cattle, milk filters, bulk milk and retail milk. milk samples from two of 40 milking cows were found to con ...19853989284
water-borne outbreak of campylobacter gastroenteritis.an outbreak of gastroenteritis affecting 234 pupils and 23 staff at a boarding school occurred over a period of 8 weeks. campylobacter spp. were isolated from pupils and staff, and from two samples of cold water taken from an open-topped storage tank which supplied predominantly unchlorinated water to the main school building. the two isolates from water were of the same serotype. this serotype was the commonest of the three serotypes of campylobacter jejuni detected in isolates from pupils and ...19836130305
canine and feline campylobacteriosis: epizootiology and clinical and public health features. 19836606637
investigation of a waterborne outbreak of campylobacter jejuni enteritis with a serotyping scheme based on thermostable antigens.serotyping of 11 human and 2 water isolates of campylobacter jejuni associated with a waterborne outbreak revealed two serotypes among the human isolates. one of these (serotype 58) was a new serotype and was added to the serotyping scheme. serotypes were defined by using extracted thermostable antigens and passive hemagglutination titrations of both unabsorbed and cross-absorbed antisera. two water isolates of the same serotype as six human isolates provided evidence to link a contaminated wate ...19836655043
campylobacter fetus subspecies jejuni: the need for surveillance. 19806768813
milk-borne campylobacter infection.the common factor in 13 recent outbreaks of campylobacter jejuni enteritis was the consumption of unpasteurised or incompletely pasteurised milk. c jejuni is a common commensal in the alimentary tract of milking cows, but it is not clear how the milk becomes contaminated with the organism. pasteurisation will readily eliminate the organism from milk. in england and wales 3% of milk retailed is still unpasteurised, and in the light of these findings it is suggested that only pasteurised milk shou ...19816786504
campylobacter enteritis - the first five years. 19827130698
campylobacter jejuni/coli in abattoirs and butchers shops. 19827185998
campylobacter contamination of raw meat and poultry at retail sale: identification of multiple types and comparison with isolates from human infection.campylobacter species are the major cause of acute bacterial enteritis reported in the united kingdom, nonetheless many aspects of campylobacteriosis epidemiology remain poorly understood. the aim of this study was to determine the prevalence of campylobacter jejuni and campylobacter coli in fresh bovine, ovine, and porcine liver and chicken portions from retail outlets and compare strain subtype distributions with those associated with cases of human campylobacteriosis occurring within the same ...200011131886
serological studies in two outbreaks of campylobacter jejuni infection.two outbreaks of campylobacter enteritis in residential student populations are described. in the first outbreak, 34 of 240 students in one hall of residence became ill over the course of 4 or 5 days. a single serotype of c. jejuni was isolated from sample of faeces. sera collected demonstrated that the students had little pre-existing antibody and antibody responses were demonstrated in those who were infected. about 30% of students with serological evidence for infection with c. jejuni did not ...19816895231
campylobacter enteritis associated with the consumption of free school milk.a large outbreak of campylobacter enteritis associated with the consumption of free school milk is described. the outbreak had an abrupt onset, and lasted for about 3 weeks; it involved mainly school children in the 2-4 and 5-7 year old age groups. during this period it was established from epidemiological and microbiological data that some 2500 children were infected. the source of the epidemic was almost certainly contaminated milk, although bacteriological proof could not be obtained. biotypi ...19816895230
milk-borne campylobacter enteritis in a rural area.during november and december 1981 more than 50 residents in a village in derbyshire had an acute gastrointestinal illness. one month later a second outbreak occurred affecting another 22 people. campylobacter jejuni was isolated from 12 patients; no other gastrointestinal pathogens were identified. a case-control study showed an association with the consumption of unpasteurized milk from one particular farm. no new cases were identified for 6 months following the application of a pasteurization ...19836644009
severe campylobacter infection in children.children suffering from campylobacter jejuni infection and who were admitted to children's hospitals in bristol and newcastle over a period of 2 years are reviewed. gastro-intestinal disease caused by c. jejuni was as common as that due to salmonella spp. three neonates suffered particularly severe infections which resembled necrotising enterocolitis. one such case is described.19854086864
campylobacters in man and the environment in hull and east yorkshire.campylobacter organisms isolated from water samples taken weekly from ponds and land-drains in the city of hull were compared with isolates from humans. of 314 campylobacter organisms isolated from patients, 237 (75.5%) of the strains were identified as typical campylobacter jejuni, whilst of 125 identified strains isolated from the water samples, 85 (68%) resembled c. jejuni in most respects but were hippurate hydrolysis negative by the hwang and ederer method. the ponds and land drains in the ...19883181312
validation of a monoclonal antibody-based capture enzyme-linked immunosorbent assay for detection of campylobacter fetus.a monoclonal antibody (mab)-based antigen capture enzyme-linked immunosorbent assay (elisa) was compared with the routine culture methodology for the detection of campylobacter fetus subspecies from bovine and ovine field samples inoculated into clark's transport enrichment medium (tem). the work was a collaboration between two different diagnostic laboratories, one in canada and the other in england. in both labs, tem samples were incubated for 4 days at 35 degrees c and then tested by culture ...200516275938
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