High Monos means Increased Proportion of Monocytes (in the blood). This can indicate: chronic inflammation - stress response - hyperadrenocorticism. Level (ft), Date. , , , approx. future management level. , target/trigger. , highest level reached since. 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 Mononucleosis, commonly known as ''mono'' or ''the kissing disease,'' refers to a group of symptoms usually caused The symptoms usually resolve on their own in one to two months. In adolescents and adults, the infection causes noticeable symptoms in 35 to 50 percent of cases. Healthcare providers can test for antibodies to the following EBV-associated antigens: Treatment is aimed at easing your symptoms. Enzyme-linked immunosorbent assay ELISA rapid diagnostic tests are also available, which are based on the detection of heterophile antibodies. Blood test from a vein The health professional taking a sample of your blood will: Occasionally, the symptoms of infectious mononucleosis can last for six months or longer. Quit Smoking Get your personalized plan. The clinical findings of infectious mononucleosis occur in conjunction with the appearance of IgG and IgM anti-VCA antibodies. PubMed Commons home PubMed Commons. Enter your email address.