Prevalence in the Rome healthy population of antibodies to a human Polyoma - virus (BK - strain).
1976
A serological study of determine the prevalence of infections caused by human Polyoma-virus (BK strain) among the healthy population of Rome has been performed. Such virus was originally isolated from a patient undergoing a kidney transplantation, and later found in patients undergoing immunosuppressive therapy. Previous serological studies showed high incidences of infections, caused by this virus, in human populations. Other viruses, antigenically related, were found in patients suffering from progressive multifocal leukoencephalopathy. Serum samples coming from 482 healthy subjects classified by age and 100 cord blood serum samples were analyzed for antibody titers using haemoagglutination-inhibition and complement fixation tests. High incidence of infection caused by BK virus in the Roman population was found: specifically the haeomagglutination-inhibition test resulted positive in 65.2% of the samples. A remarkable similar trend between the results obtained with both the techniques was observed, although differences in antibody serum levels were present. The infections, which are not transmitted during the intrauterine life, are first noted at about two years of age. The Authors finally briefly discuss the possible epidemiological meaning of the spreading of this infection.
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