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Epstein Barr Virus
Characterised by such non-specific symptoms as Fatigue and muscle aches, the Epstein Barr Virus (EBV) causes several other secondary Infections, included Mononucleosis. Ninety percent of all adults have EBV antibodies in their blood, indicating an exposure to this virus. It works by infecting B-cells, a type of immune cell, and using the B-cell DNA to replicate. By the time the Immune System brings the virus under control, it has been depleted, causing Fatigue and the other EBV symptoms.
EBV, however, remains dormant in the body even after the Immune System regains control. This enables it to re-activate, sometimes evolving into similar but different conditions (like Mononucleosis). Because the Immune System remains weakened, Stress often triggers EBV.
1. Anderson R, et al: The effects of increasing weekly doses of ascorbate on certain cellular and humoral immune functions in normal volunteers, American Journal of Clinical Nutrition, 33(1), Jan 1980, p 71-76.