Does everyone have HSV-1 in their system?

The American Sexual Health Association estimates that roughly half of all adults in the United States have oral herpes. Oral herpes is usually caused by herpes simplex virus type 1 (HSV-1). Not everyone has symptoms, but oral herpes can cause cold sores or blisters around the mouth.

How long do HSV antibodies last?

The time required for the development of IgG antibodies following HSV infection varies from 21 to over 42 days with most individuals having detectable IgG 21–28 days after exposure to the infection and probably lasting for life.7–,9 IgM antibodies are usually detectable 9–10 days after exposure and last 7–14 days,

Can HSV antibodies go away?

It may take between six and eight weeks to detect antibodies in a herpes blood test after first becoming infected with HSV. Also, antibodies may disappear with time, especially if the person has infrequent recurrences of herpes.