| clinical features of sporadic yersinia enterocolitica infections in norway. | during october 1988 through january 1990, a study of sporadic yersinia enterocolitica infections was done in the oslo region to assess the clinical impact and risk factors for this disease. sixty-seven case-patients (mean age, 23.4 years) and 132 population-based age- and sex-matched controls were enrolled. among patients who were well when interviewed, illness lasted a mean of 20 days, but 10% of the others remained symptomatic a year later. bloody diarrhea occurred only in persons less than 18 ... | 1992 | 1527416 |
| 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 ... | 1983 | 6338824 |
| prevalence of antibodies to yersinia enterocolitica o:3 among norwegian military recruits: association with risk factors and clinical manifestations. | igg antibody activity to yersinia enterocolitica serogroup o:3 was detected in sera from 56 (7.4%) of 755 norwegian military recruits, using an enzyme-linked immunosorbent assay. the highest prevalence was found among recruits from oslo city (12/56, 21.4%). the recruits answered a questionnaire which covered demographic data, specific exposures, and clinical information. the following risk factors were found to be independently associated with igg activity in logistic regression analysis: receiv ... | 1994 | 7672058 |