Abstract
Routine laboratory diagnosis of infectious mononucleosis is based on EBV serological testing, but due to problems in interpretation of results, molecular methods, especially PCR, are often necessary. The aim of the present study was to investigate correlation between results of PCR and specific serological tests in diagnosis of Epstein-Barr virus in patients with mononucleosis syndrome. The study comprised 68 patients with mononucleosis syndrome. Their blood samples were tested using ELISA for detection of 4 EBV specific antibodies (anti-VCA IgM and IgG, anti-EA-D IgG and anti-EBNA-1 IgG) and PCR for detection of EBV DNA. According to results of serology 42 patients had acute primary infection, 2 reactivation, 1 chronic active infection, 19 past infection, and 4 have been EBV seronegative. EBV DNA was detected in 17 patients (25%) and all of them were serologically defined as acutely infected. PCR was useful for resolving unclear serology results. Specific serology is the first step in diagnosis of IM, but PCR may serve as a useful additional diagnostic tool for clarifying serological dilemmas, reaching final diagnosis and defining status of the infection.
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