Anti-EA IgG appears in the acute phase of illness and generally falls to undetectable levels after 3 to 6 months. In many people, detection of. Mononucleosis tests are blood tests that look for antibodies to the Epstein-Barr virus (EBV) that causes mononucleosis (mono). Anti-EA IgG appears in the acute phase of illness and generally falls to undetectable levels after 3 to 6 months. In many people, detection of.
Mono levels Video