Laboratory Testing of Epstein-Barr Virus (EBV)

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ABSTRACT:

The presence of antibodies to both VCA and EBNA suggests past infection (from several months to years earlier). Since over 90% of adults have been infected with EBV, most adults will show antibodies to EBV from infection years earlier. High or elevated antibody levels may be present for years and are not diagnostic of recent infection.

Source: https://www.cdc.gov/epstein-barr/about-ebv.html