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descriptive epidemiology of infections due to thermotolerant campylobacter spp. in norway, 1979-1988.this report reviews the first ten years of campylobacter surveillance in norway. during 1979-1988, a total of 3,545 isolates of thermotolerant campylobacter spp. were reported. the isolation rate increased from 1.8 per 100,000 persons per year in 1979 to 13.1 in 1988. the highest isolation rate for both sexes occurred during the first five years of life (31.0 per 100,000). a smaller second peak was detected in the age group 15-24 years (11.1 per 100,000). the male-to-female ratio was 1.52:1 for ...19921445694
[helicobacter pylori infection among employees at the gastroenterologic section, haukeland hospital].using the c-14 urea breath test we estimated the gastric urease activity among 46 healthy norwegians, all employed at the section of gastroenterology, haukeland hospital, norway. the overall prevalence of helicobacter pylori-infection (30.4%) is similar to that reported previously among healthy subjects outside hospitals. the tendency towards higher prevalence among the gastroenterologists (41.7%) may be accounted for partly by the preponderance of males in this profession. the results do not su ...19902321194
avian wildlife reservoir of campylobacter fetus subsp. jejuni, yersinia spp., and salmonella spp. in norway.cloacal swabs from 540 wild-living birds were cultured for campylobacter fetus subsp. jejuni, yersinia spp., and salmonella spp. the carrier rates detected were as follows: c. fetus subsp. jejuni, 28.4%; yersinia spp., 1.2%; and salmonella spp., 0.8%. all birds were apparently healthy when captured. c. fetus subsp. jejuni was isolated from 11 of the 40 bird species examined. among birds inhabiting the city of oslo, the highest isolation rate was found in crows (corvus corone cornix) (89.8%), fol ...19836338824
factors associated with increased and decreased risk of campylobacter infection: a prospective case-control study in norway.in 1999-2000, a prospective case-control study of sporadic, domestically acquired campylobacteriosis was conducted in three counties in norway to identify preventable risk factors and potentially protective factors. a total of 212 cases and 422 population controls matched by age, sex, and geographic area were enrolled. in conditional logistic regression analysis, the following factors were found to be independently associated with an increased risk of campylobacter infection: drinking undisinfec ...200312882945
campylobacter spp., salmonella spp., verocytotoxic escherichia coli, and antibiotic resistance in indicator organisms in wild cervids.faecal samples were collected, as part of the national health surveillance program for cervids (hop) in norway, from wild red deer, roe deer, moose and reindeer during ordinary hunting seasons from 2001 to 2003. samples from a total of 618 animals were examined for verocytotoxic e. coli (vtec); 611 animals for salmonella and 324 animals for campylobacter. a total of 50 samples were cultivated from each cervid species in order to isolate the indicator bacterial species e. coli and enterococcus fa ...200516108210
antimicrobial resistance in campylobacter jejuni from humans and broilers in norway.in this study comprising isolates from 2001 to 2003, resistance was considerably more widespread among campylobacter jejuni from humans infected abroad than infected within norway. the discrepancy was particularly notable for fluoroquinolone resistance (67.4% vs. 6.5%). this is probably a reflection of a low resistance prevalence in norwegian broiler isolates (1.2% fluoroquinolone resistant).200616409659
a large waterborne outbreak of campylobacteriosis in norway: the need to focus on distribution system safety.on 7 may 2007 the medical officer in røros (population 5600) reported 15 patients with gastroenteritis. three days later he estimated hundreds being ill. untreated tap water from a groundwater source was suspected as the vehicle and chlorination was started 11 may. campylobacter was isolated from patients' stool samples. we conducted an investigation to identify the source and describe the extent of the outbreak.200818816387
comparison of campylobacter fla-svr genotypes isolated from humans and poultry in three european regions.the genetic diversity of campylobacter isolated from human infection and from poultry was assessed in strains originating in three different european regions in order to compare these two hosts and to investigate european regional differences.200919627478
space-time patterns of campylobacter spp. colonization in broiler flocks, 2002-2006.this study was performed to investigate space-time patterns of campylobacter spp. colonization in broiler flocks in norway. data on the campylobacter spp. status at the time of slaughter of 16 054 broiler flocks from 580 farms between 2002 and 2006 was included in the study. spatial relative risk maps together with maps of space-time clustering were generated, the latter by using spatial scan statistics. these maps identified the same areas almost every year where there was a higher risk for a b ...201020109260
relative importance of abnormalities of cck and 5-ht (serotonin) in giardia-induced post-infectious irritable bowel syndrome and functional dyspepsia.post-infectious irritable bowel syndrome (pi-ibs) and functional dyspepsia (fd) have been described after both campylobacter jejuni gastroenteritis and giardia infection. after c. jejuni, there is increased rectal serotonin (5-ht)-containing ec cells and postprandial plasma 5-ht, while a pilot study suggested increased plasma cholecystokinin (cck) after giardia infection.201020132151
[water-borne disease outbreaks in norway].the drinking water in norway has traditionally been considered being of good quality. however, outbreaks related to drinking water are reported every year. we review waterborne outbreaks in norway over the last 15 years, and describe the aetiology of and contributory factors in these outbreaks.200314713983
serotyping of campylobacter jejuni isolated from sporadic cases and outbreaks in northern norway.in the northern regions of norway, 123 cases of campylobacter jejuni gastroenteritis were either sporadic infections or due to five separate outbreaks during 1980-83. using a serotyping scheme based on thermostable antigens and the passive haemagglutination technique, 92 isolates were serotyped. excluding duplicates from the outbreaks, the serotype distribution based on 79 isolates showed that serotypes 6, 7 and 12, 40 were the most frequent in occurrence. each included 11 (13.9%) of the isolate ...19854013744
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
clinical features of sporadic campylobacter infections in norway.to assess risk factors and clinical impact of campylobacteriosis in norway, a case-control study of sporadic cases of infection with thermotolerant campylobacter spp. was conducted. this report describes: (1) the frequency and duration of signs and symptoms, antimicrobial treatment, hospitalization, and faecal carriage among the study patients; (2) diarrhoeal illness and campylobacter carriage among their household members; and (3) antimicrobial susceptibility pattern among bacterial isolates. a ...19921287808
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