Mononucleosis (wanda kuma aka sani da "mono") cuta ce ta kwayar cuta ta kwayar cutar Epstein-Barr (EBV). Yana da alamun bayyanar cututtuka kamar zazzabi, ciwon makogwaro, kumburin lymph nodes, da gajiya. Kalmar "mononucleosis" ta zo ne daga gaskiyar cewa mutanen da ke fama da ciwon sau da yawa suna samun ƙarin adadin fararen jini (mononuclear leukocytes) a cikin jininsu.
