What are the Causes of Mononucleosis?
Mononucleosis Overview The most common cause of mononucleosis is the Epstein-Barr virus, but other viruses also can cause similar symptoms. In fact, mononucleosis, or mono, can lead to a range of symptoms, including severe fatigue, fever, and a sore throat. However, symptoms typically generally resolve within around 2–4 weeks. Mono is a common disease in […]