Mononucleosis

Properly, infectious mononucleosis, a viral infection of the lymph pulp most frequently caused by the Epstein-Barr virus. The spleen, lymph nodes, and (sometimes) the liver are involved. The general symptoms are fever, sore throat, exhaustion, and abnormal white blood cells.

An acute infection caused by an unidentified virus. Most prevalent among children and adolescents. Transmitted by direct contact with an infected person. Characterized by fever, sore throat, headache, fatigue, chills, malaise, lymph node involvement, and an excess of agglutinins present in the blood.

Condition of having abnormally high numbers of mononuclear leukocytes in the blood, due to infection by the Epstein-Barr virus.

The condition in which the blood contains an abnormally high number of mononuclear leukocytes (monocytes).

An acute viral infection in which the patient develops a sore throat, swollen lymph glands and fever. Also known as glandular fever, infectious mononucleosis is caused by members of the herpes group of viruses the Epstein Barr virus and cytomegalovirus (CMV). The disease is more common among adolescents aged 15-17, an age when their immune defense mechanisms are not fully developed. In the UK many thousands of teenagers catch the disease every year, and kissing is believed to be the method of transmission among many of them. The blood contains many atypical lymphocytes and the diagnosis is confirmed with the heterophil antibodies test. Patients normally recover within six weeks without treatment, but they may feel tired and depressed for several months afterwards. Some cases of myalgic encephalomyelitis (ME) and other chronic fatigue syndromes occur after infection with this virus and, in the long-term, there may be an association with certain types of lymphoma.

A contagious ailment characterized by the enlargement of lymph nodes, spleen, and liver, often accompanied by a severely painful throat, fever, headache, and prolonged and profound fatigue.