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[Persistent infection caused by the Coxsackie B3 virus in adult mice].

A model of persistent infection with Coxsackie B-3 virus was developed in adult mice with clinical manifestations of the disease and long-term (up to 13 months) excretion of the causative agent. The method of multiple organ cultures was shown to be suitable for isolation of the persisting enterovirus. The presence of persistent infection was confirmed by the detection of IgM antibody in repeated daily examinations of the animals for 4 months. It seems to be expedient to use this model for investigations of the pathogenesis and methods of treatment of persistent Coxsackie B-3 infection in experimental animals.