characterized by fatigue, neurologic and immunologic disorders and active human herpesvirus type 6 infection.
Some doctors think that genetic and immunologic factors are involved as well as an infectious organism.
Titer-The highest dilution of a material (e.g., serum or other body fluid) that produces a reaction in an immunologic test system.
The term allergy refers to a person's immunologic sensitivity to any substance that causes an allergic reaction.
During this period, a history of recurrent infections and typical immunologic findings can suggest the diagnosis.