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Paired sera from 46 vaccinees and 22 patients with clinically typical or atypical parotitis were tested for class-specific mumps antibodies by two different indirect enzyme-linked immunosorbent assay (ELISA) procedures. Both ELISAs appeared suitable, specific and more sensitive than neutralization (NT) and complement-fixation (CF). However, the macro-ELISA(More)
A fast-growing strain of human hepatitis A virus was selected and characterized. The virus has the unusual property of developing a strong cytopathic effect in tissue culture in 7 to 10 days. Sequences of the viral genome were cloned into recombinant plasmids with the double-stranded replicative form as a template for the reverse transcription of cDNA.(More)
A fatal case of Coxsackievirus B-6 (CBV-6) infection in a 4 1/2-year-old girl is reported. The disease was initially characterized by a severe meningoencephalitis and, successively, by the appearance of hyperglycaemia and glycosuria, concomitantly with complement-fixingislet cell antibodies (CF-ICA) and ICA, diarrhoea, electrolyte disorders, arrhythmia and(More)
We describe 29 children with auto-immune haemolytic anaemia (AIHA). The patients could be followed up for long periods of time. The auto-antibodies, responsible for the AIHA, are described as well as the associated diseases that could be diagnosed, the clinical course and some clinical aspects of special importance. Finally, the treatment given to these(More)
There are few data about the distribution of neutralizing antibodies (NA) against adenovirus types in the Italian population, especially the high-numbered ones. We tested the sera from 453 children and 51 young adults to evaluate NA against adenovirus prototypes 1-33. Using the microneutralization test, 338 (74.6%) of the children's sera were positive for(More)
Acute-phase and convalescent-phase sera of 66 children, aged 3 months to 12 years, with neurologic disorders of unknown etiology were tested against Legionella pneumophila polyvalent and monovalent antigens (groups 1 to 4). Three significant antibody titer increases were obtained, all in children with acute cerebellar ataxia. This neurologic syndrome was(More)