What is Epstein-Barr Virus and what symptoms can it cause?
Epstein-Barr Virus (EBV) belongs to the herpes family of viruses. It is sometimes referred to as Human Herpes Virus-4 (HHV-4). Viruses are tiny parasites that enter our cells and reproduce, potentially damaging or killing our cells along the way. EBV infection can be subclinical, which means that a person is carrying the virus but does not have overt symptoms, or it can be clinical and cause infectious mononucleosis. The classical symptoms of mononucleosis are fatigue, fever, sore throat and swollen lymph nodes; however, people may have all or only some of these symptoms. EBV has also been linked with chronic fatigue syndrome, an illness characterized by severe to debilitating fatigue that impairs daily function and is often made worse by exertion, exercise, headache, sore throat, and other stresses. It may be accompanied by enlarged, painful lymph nodes; sore throat; headache; painful joints; abdominal pain; muscle pain; low-grade fever; and cognitive difficulty, especially difficulty