The Herpes Simplex virus (HSV) Type 2 IgG antibodies test helps to detect if a person has been previously exposed to herpes simplex virus type 2. The Herpes Simplex virus (HSV) Type 2 IgG antibodies test is done: • To confirm herpes simplex virus 2 infection • To find out if a person has been previously exposed to herpes simplex virus 2 infection