Infectious mononucleosis - infectious mononucleosis

Japanese: 伝染性単核細胞症 - でんせんせいたんかくさいぼうしょう（英語表記）infectious mononucleosis

It is abbreviated as IM and is also known as infectious mononucleosis. It presents symptoms similar to glandular fever, but unlike glandular fever caused by rickettsia, the EB virus is thought to be the most important pathogen. It is mostly transmitted by oral infection, with an incubation period of 4-7 weeks, and is common in young men and women, with the three main symptoms being fever, lymphadenopathy (most notable in the neck), and sore throat. It is often accompanied by a generalized skin rash and mild splenomegaly, and while there is usually no change in the red blood cell and platelet series, the white blood cell count generally increases, reaching 20,000/mL or more, and lymphocytes or lymphoid cells account for 50% or more of the white blood cell differential.

Source: Heibonsha World Encyclopedia, 2nd Edition Information

Japanese:

IMと略記し，伝染性単核球増多症ともいう。腺熱と似た症状を呈するが，リケッチアによる腺熱とは異なり，病原体はEBウイルスが最も重要と考えられている。多くは経口感染により伝播し，潜伏期は4～7週，若年男女に多く，発熱，リンパ節腫張(頸部に最も著しい)，咽頭痛を3主徴とする。しばしば全身の皮疹を伴い，軽度の脾腫がみられ，赤血球系，血小板系には通常変化がないが白血球数はおおむね増加し，20000/mlまたはそれ以上に達し，白血球分画では50％ないしそれ以上をリンパ球またはリンパ球様細胞が占める。

出典　株式会社平凡社世界大百科事典第２版について　情報

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