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[Virologic and morphologic study in sudden and unexpected death in children].

The authors examined a group of 47 children who died at the age of 1-9 months, incl. 19 female and 28 male children. In 23 the death was described as sudden and in 24 as unexpected. From 19 dead children a virus was isolated: in 14 one or two serotypes of enterovirus were found, in two the virus of parainfluenza 3 in two adenoviruses (type 2, 7). A total of 46 viral strains were isolated. By immunofluorescence in tissues antigens of the parainfluenza virus 3 and adenovirus were detected. Immune complexes were not detected in tissues. The distribution of vaccination polioviruses in organs and tissues after a known interval following vaccination was recognized. In some of the infants a possible causal relationship between the virological and morphological findings was found and the authors discuss the possible pathogenetic role of the revealed changes in sudden death.