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BACKGROUND On May 21, 1997, numerous cases of febrile gastrointestinal illness were reported among the students and staff of two primary schools in northern Italy, all of whom had eaten at cafeterias served by the same caterer. METHODS We interviewed people who ate at the cafeterias about symptoms and foods consumed on May 20. There were no samples of(More)
During the outbreak of rubella in Turin in 1973, 110 newborns, whose mother's pregnancy clash with the epidemic, were studied for the elimination of rubella virus. 708 samples were in total examined, through inoculation in primary cultures of African green monkey kidney (and study of the possible interference with ECHO-virus type 11), and partially in RK 13(More)
Measurement of influenza A/Torino/1/75, A/MRC 11 and A/Scotland/840/74 viruses h.i. antibodies in a sample of the Turin population represented by 200 non-vaccinated adults, showed that the percentage of subjects carrying antibiodies at the minimum titre of 1/10 was respectively 83, 78,5 and 52 and respective mean titres were 1/65, 1/65 and 1/43. These(More)
On the basis of 1,083 cases of acute hepatitis, the radioimmunoassay has been confirmed the most sensible test for the detection of HBAg, followed by counterimmunoelectrophoresis, immunodiffusion and latex agglutination. Although the most complicated and expensive test, it is worth to be routinely employed in the acute hepatitis, both diagnostically and(More)