The herpes IgG test is a blood test used to diagnose herpes simplex virus (HSV). This includes HSV-1, the type most commonly linked to cold sores, and HSV-2, the type mainly associated with genital ...

Your body can produce an infinite number of binding sites to bind to antigens. Immunoglobulin G (IgG) accounts for around 75% of all antibodies in the human body. Depending on the antigen, IgG can ...