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 ...19921527416
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 ...19947672058
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